diff --git a/src/core/core/settings.json b/src/core/core/settings.json
index 8d1b8974..464f67d5 100644
--- a/src/core/core/settings.json
+++ b/src/core/core/settings.json
@@ -63,7 +63,8 @@
         "tab": {
             "insertSpaces": true,
             "tabSize": 4
-        }
+        },
+        "encoding": "utf8"
     },
     "toggle_section": {
         "tag": "KDAB_TEMPORARILY_REMOVED",
diff --git a/src/core/knutcore.cpp b/src/core/knutcore.cpp
index 62e41517..fb3c74f5 100644
--- a/src/core/knutcore.cpp
+++ b/src/core/knutcore.cpp
@@ -34,6 +34,13 @@ KnutCore::KnutCore(QObject *parent)
     initialize(Settings::Mode::Test);
 }
 
+KnutCore::~KnutCore()
+{
+    delete m_scriptManager;
+    delete m_project;
+    delete m_settings;
+}
+
 KnutCore::KnutCore(InternalTag, QObject *parent)
     : QObject(parent)
 {
@@ -188,10 +195,10 @@ void KnutCore::initialize(Settings::Mode mode)
     // If creating a KnutCore and then processing command line arguments
     if (m_initialized)
         return;
-    new Settings(mode, this);
-    new Project(this);
-    new ScriptManager(this);
-    if (Core::Settings::instance()->value<bool>(Core::Settings::SaveLogsToFile))
+    m_settings = new Settings(mode, this);
+    m_project = new Project(this);
+    m_scriptManager = new ScriptManager(this);
+    if (DEFAULT_VALUE(bool, SaveLogsToFile))
         initializeMultiSinkLogger();
     // auto flush when "info" or higher message is logged.
     spdlog::flush_on(spdlog::level::info);
diff --git a/src/core/knutcore.h b/src/core/knutcore.h
index aad7eef6..6549936c 100644
--- a/src/core/knutcore.h
+++ b/src/core/knutcore.h
@@ -17,12 +17,17 @@
 
 namespace Core {
 
+class Settings;
+class Project;
+class ScriptManager;
+
 class KnutCore : public QObject
 {
     Q_OBJECT
 
 public:
     explicit KnutCore(QObject *parent = nullptr);
+    ~KnutCore() override;
 
     bool process(const QStringList &arguments);
 
@@ -41,6 +46,10 @@ class KnutCore : public QObject
     void initializeMultiSinkLogger();
 
     bool m_initialized = false;
+
+    Settings *m_settings = nullptr;
+    Project *m_project = nullptr;
+    ScriptManager *m_scriptManager = nullptr;
 };
 
 } // namespace Core
diff --git a/src/core/logger.cpp b/src/core/logger.cpp
index ef95c755..76301b67 100644
--- a/src/core/logger.cpp
+++ b/src/core/logger.cpp
@@ -105,7 +105,7 @@ void HistoryModel::clear()
 
 QString HistoryModel::createScript(int start, int end)
 {
-    const auto settings = Core::Settings::instance()->value<Core::TabSettings>(Core::Settings::Tab);
+    const auto settings = DEFAULT_VALUE(Core::TabSettings, Tab);
     const auto tab = settings.insertSpaces ? QString(settings.tabSize, ' ') : QString('\t');
 
     std::tie(start, end) = std::minmax(start, end);
diff --git a/src/core/rcdocument.h b/src/core/rcdocument.h
index bf4369b7..b728aa3c 100644
--- a/src/core/rcdocument.h
+++ b/src/core/rcdocument.h
@@ -57,6 +57,8 @@ class RcDocument : public Document
 
     static inline constexpr char DefaultLanguage[] = "[default]";
 
+    using LanguageMap = std::map<std::string, std::string>;
+
 public:
     explicit RcDocument(QObject *parent = nullptr);
 
diff --git a/src/core/settings.h b/src/core/settings.h
index 42479e5d..085de80d 100644
--- a/src/core/settings.h
+++ b/src/core/settings.h
@@ -53,6 +53,7 @@ class Settings : public QObject
     static inline constexpr char SaveLogsToFile[] = "/logs/saveToFile";
     static inline constexpr char ScriptPaths[] = "/script_paths";
     static inline constexpr char Tab[] = "/text_editor/tab";
+    static inline constexpr char Encoding[] = "/text_editor/encoding";
     static inline constexpr char ToggleSection[] = "/toggle_section";
 
 public:
diff --git a/src/core/textdocument.cpp b/src/core/textdocument.cpp
index f4768cb3..9b147ce3 100644
--- a/src/core/textdocument.cpp
+++ b/src/core/textdocument.cpp
@@ -255,6 +255,7 @@ bool TextDocument::doSave(const QString &fileName)
         plainText.replace('\n', "\r\n");
 
     QTextStream stream(&file);
+    stream.setEncoding(static_cast<QStringConverter::Encoding>(DEFAULT_VALUE(TextDocument::Encoding, Encoding)));
     stream << plainText;
     return true;
 }
@@ -273,6 +274,7 @@ bool TextDocument::doLoad(const QString &fileName)
     QByteArray data = file.readAll();
     detectFormat(data);
     QTextStream stream(data);
+    stream.setEncoding(static_cast<QStringConverter::Encoding>(DEFAULT_VALUE(TextDocument::Encoding, Encoding)));
     const QString text = stream.readAll();
 
     QSignalBlocker sb(m_document->document());
@@ -1559,7 +1561,7 @@ static int indentOneLine(QTextCursor &cursor, int tabCount, const TabSettings &s
 
 static void indentBlocksInTextEdit(QPlainTextEdit *textEdit, int blockStart, int blockEnd, int tabCount, bool relative)
 {
-    const auto settings = Core::Settings::instance()->value<Core::TabSettings>(Core::Settings::Tab);
+    const auto settings = DEFAULT_VALUE(Core::TabSettings, Tab);
     QTextCursor cursor = textEdit->textCursor();
 
     // Make sure we don't move the cursor outside the first line it started on.
@@ -1725,7 +1727,7 @@ int TextDocument::indentationAtPosition(int pos) const
     LOG(LOG_ARG("position", pos));
 
     const auto indentText = indentTextAtPosition(pos);
-    const auto settings = Core::Settings::instance()->value<Core::TabSettings>(Core::Settings::Tab);
+    const auto settings = DEFAULT_VALUE(Core::TabSettings, Tab);
     return columnAt(indentText, indentText.size(), settings.tabSize) / settings.tabSize;
 }
 
@@ -1741,7 +1743,7 @@ int TextDocument::indentationAtLine(int line /* = -1 */) const
     LOG(LOG_ARG("line", line));
 
     const auto indentText = indentTextAtLine(line);
-    const auto settings = Core::Settings::instance()->value<Core::TabSettings>(Core::Settings::Tab);
+    const auto settings = DEFAULT_VALUE(Core::TabSettings, Tab);
     return columnAt(indentText, indentText.size(), settings.tabSize) / settings.tabSize;
 }
 
diff --git a/src/core/textdocument.h b/src/core/textdocument.h
index e88f3662..ddac51fc 100644
--- a/src/core/textdocument.h
+++ b/src/core/textdocument.h
@@ -13,6 +13,7 @@
 #include "document.h"
 #include "mark.h"
 #include "rangemark.h"
+#include "utils/json.h"
 
 #include <QPointer>
 #include <QRegularExpressionMatch>
@@ -64,6 +65,19 @@ class TextDocument : public Document
     Q_DECLARE_FLAGS(FindFlags, FindFlag)
     Q_ENUM(FindFlag)
 
+    enum class Encoding {
+        Utf8 = QStringConverter::Utf8,
+        Utf16 = QStringConverter::Utf16,
+        Utf16BE = QStringConverter::Utf16BE,
+        Utf16LE = QStringConverter::Utf16LE,
+        Utf32 = QStringConverter::Utf32,
+        Utf32BE = QStringConverter::Utf32BE,
+        Utf32LE = QStringConverter::Utf32LE,
+        Latin1 = QStringConverter::Latin1,
+        System = QStringConverter::System,
+    };
+    Q_ENUM(Encoding)
+
     explicit TextDocument(QObject *parent = nullptr);
     ~TextDocument() override;
 
@@ -240,6 +254,17 @@ public slots:
     bool m_utf8Bom = false;
 };
 
+NLOHMANN_JSON_SERIALIZE_ENUM(TextDocument::Encoding,
+                             {{TextDocument::Encoding::Utf8, "utf8"},
+                              {TextDocument::Encoding::Utf16, "utf16"},
+                              {TextDocument::Encoding::Utf16BE, "utf16be"},
+                              {TextDocument::Encoding::Utf16LE, "utf16le"},
+                              {TextDocument::Encoding::Utf32, "utf32"},
+                              {TextDocument::Encoding::Utf32BE, "utf32be"},
+                              {TextDocument::Encoding::Utf32LE, "utf32le"},
+                              {TextDocument::Encoding::Latin1, "latin1"},
+                              {TextDocument::Encoding::System, "system"}})
+
 } // namespace Core
 
 Q_DECLARE_OPERATORS_FOR_FLAGS(Core::TextDocument::FindFlags)
diff --git a/src/gui/guisettings.cpp b/src/gui/guisettings.cpp
index c47a8617..1d2008d8 100644
--- a/src/gui/guisettings.cpp
+++ b/src/gui/guisettings.cpp
@@ -314,7 +314,7 @@ GuiSettings::TextEditSettings GuiSettings::computeTextEditSettings() const
     f.setPointSize(m_fontSize);
 
     QFontMetrics fm(f);
-    const auto tabSettings = Core::Settings::instance()->value<Core::TabSettings>(Core::Settings::Tab);
+    const auto tabSettings = DEFAULT_VALUE(Core::TabSettings, Tab);
     return {f, tabSettings.tabSize * fm.horizontalAdvance(' ')};
 }
 
diff --git a/src/gui/optionsdialog.cpp b/src/gui/optionsdialog.cpp
index c408fb07..04ff50d4 100644
--- a/src/gui/optionsdialog.cpp
+++ b/src/gui/optionsdialog.cpp
@@ -13,6 +13,7 @@
 #include "core/rcdocument.h"
 #include "core/scriptmanager.h"
 #include "core/settings.h"
+#include "core/textdocument.h"
 #include "core/textdocument_p.h"
 #include "ui_optionsdialog.h"
 
@@ -43,7 +44,7 @@ OptionsDialog::OptionsDialog(QWidget *parent)
     connect(ui->listWidget, &QListWidget::currentItemChanged, this, &OptionsDialog::changePage);
 
     initializeScriptPathSettings();
-    initializeScriptBehaviorSettings();
+    initializeTextSettings();
     initializeRcSettings();
     initializeSaveToLogFileSetting();
     initializeEnableLSPSetting();
@@ -63,14 +64,14 @@ OptionsDialog::~OptionsDialog() = default;
 void OptionsDialog::initializeSaveToLogFileSetting()
 {
     // Save Logs to file
-    ui->saveLogsToFile->setChecked(Core::Settings::instance()->value<bool>(Core::Settings::SaveLogsToFile));
+    ui->saveLogsToFile->setChecked(DEFAULT_VALUE(bool, SaveLogsToFile));
     connect(ui->saveLogsToFile, &QCheckBox::toggled, this, &OptionsDialog::changeSaveLogsToFileSetting);
 }
 
 void OptionsDialog::initializeEnableLSPSetting()
 {
     // Enable LSP when running in Gui mode
-    ui->enableLSP->setChecked(Core::Settings::instance()->value<bool>(Core::Settings::EnableLSP));
+    ui->enableLSP->setChecked(DEFAULT_VALUE(bool, EnableLSP));
     connect(ui->enableLSP, &QCheckBox::toggled, this, &OptionsDialog::changeEnableLSPSetting);
 }
 
@@ -101,7 +102,7 @@ void OptionsDialog::initializeScriptPathSettings()
     ui->scriptsList->setModel(Core::ScriptManager::model());
 }
 
-void OptionsDialog::initializeScriptBehaviorSettings()
+void OptionsDialog::initializeTextSettings()
 {
     // Text editor settings
     ui->tabSize->setValidator(new QIntValidator(ui->tabSize));
@@ -109,14 +110,25 @@ void OptionsDialog::initializeScriptBehaviorSettings()
     ui->insertSpacesCheck->setChecked(settings.insertSpaces);
     ui->tabSize->setText(QString::number(settings.tabSize));
 
+    // Encoding combobox
+    const auto metaEnum = QMetaEnum::fromType<Core::TextDocument::Encoding>();
+    for (int i = 0; i < metaEnum.keyCount(); ++i) {
+        ui->encoding->addItem(QLatin1String(metaEnum.key(i)), metaEnum.value(i));
+    }
+    const auto encoding = DEFAULT_VALUE(Core::TextDocument::Encoding, Encoding);
+    ui->encoding->setCurrentIndex(ui->encoding->findData(QVariant::fromValue(encoding)));
+
     auto changeTextEditorSettings = [this]() {
         auto settings = DEFAULT_VALUE(Core::TabSettings, Tab);
         settings.insertSpaces = ui->insertSpacesCheck->isChecked();
         settings.tabSize = ui->tabSize->text().toInt();
-        Core::Settings::instance()->setValue(Core::Settings::Tab, settings);
+        SET_DEFAULT_VALUE(Tab, settings);
+        const auto encoding = ui->encoding->currentData().value<Core::TextDocument::Encoding>();
+        SET_DEFAULT_VALUE(Encoding, encoding);
     };
     connect(ui->insertSpacesCheck, &QCheckBox::toggled, this, changeTextEditorSettings);
     connect(ui->tabSize, &QLineEdit::textEdited, this, changeTextEditorSettings);
+    connect(ui->encoding, &QComboBox::currentIndexChanged, this, changeTextEditorSettings);
 
     // Toggle section settings
     auto sectionSettings = DEFAULT_VALUE(Core::ToggleSectionSettings, ToggleSection);
@@ -191,8 +203,7 @@ void OptionsDialog::initializeRcSettings()
         SET_DEFAULT_VALUE(RcDialogScaleY, value);
     });
 
-    auto languageMap =
-        Core::Settings::instance()->value<std::map<std::string, std::string>>(Core::Settings::RcLanguageMap);
+    auto languageMap = DEFAULT_VALUE(Core::RcDocument::LanguageMap, RcLanguageMap);
     for (const auto &[source, result] : languageMap) {
         auto item = new QTreeWidgetItem(ui->languageMap);
         item->setText(0, QString::fromStdString(source));
@@ -322,7 +333,7 @@ void OptionsDialog::changeToggleSectionSetting()
     sectionSettings.tag = ui->tagEdit->text();
     sectionSettings.debug = ui->debugEdit->text();
     sectionSettings.return_values = returnValues;
-    Core::Settings::instance()->setValue(Core::Settings::ToggleSection, sectionSettings);
+    SET_DEFAULT_VALUE(ToggleSection, sectionSettings);
 }
 
 void OptionsDialog::changeAssetFlagsSetting()
@@ -363,8 +374,7 @@ void OptionsDialog::changeDialogFlagsSetting()
 
 void OptionsDialog::changeLanguageMap()
 {
-    auto oldLanguageMap =
-        Core::Settings::instance()->value<std::map<std::string, std::string>>(Core::Settings::RcLanguageMap);
+    auto oldLanguageMap = DEFAULT_VALUE(Core::RcDocument::LanguageMap, RcLanguageMap);
     std::map<std::string, std::string> languageMap;
     for (int i = 0; i < ui->languageMap->topLevelItemCount(); ++i) {
         auto item = ui->languageMap->topLevelItem(i);
@@ -374,7 +384,7 @@ void OptionsDialog::changeLanguageMap()
             item->text(1).isEmpty() ? Core::RcDocument::DefaultLanguage : item->text(1).toStdString();
         languageMap[item->text(0).toStdString()] = result;
     }
-    Core::Settings::instance()->setValue(Core::Settings::RcLanguageMap, languageMap);
+    SET_DEFAULT_VALUE(RcLanguageMap, languageMap);
 }
 
 void OptionsDialog::changePage()
diff --git a/src/gui/optionsdialog.h b/src/gui/optionsdialog.h
index d7108b5e..81950da1 100644
--- a/src/gui/optionsdialog.h
+++ b/src/gui/optionsdialog.h
@@ -33,7 +33,7 @@ class OptionsDialog : public QDialog
     void initializeEnableLSPSetting();
     void initializeSaveToLogFileSetting();
     void initializeScriptPathSettings();
-    void initializeScriptBehaviorSettings();
+    void initializeTextSettings();
     void initializeRcSettings();
     void initializeCppSettings();
 
diff --git a/src/gui/optionsdialog.ui b/src/gui/optionsdialog.ui
index c60dc390..59ff5b7e 100644
--- a/src/gui/optionsdialog.ui
+++ b/src/gui/optionsdialog.ui
@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>829</width>
-    <height>510</height>
+    <width>828</width>
+    <height>514</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -17,14 +17,14 @@
    <item row="4" column="0" colspan="2">
     <widget class="QDialogButtonBox" name="buttonBox">
      <property name="standardButtons">
-      <set>QDialogButtonBox::Close</set>
+      <set>QDialogButtonBox::StandardButton::Close</set>
      </property>
     </widget>
    </item>
    <item row="1" column="1">
     <widget class="Line" name="line">
      <property name="orientation">
-      <enum>Qt::Horizontal</enum>
+      <enum>Qt::Orientation::Horizontal</enum>
      </property>
     </widget>
    </item>
@@ -147,7 +147,7 @@
        <item row="3" column="0">
         <spacer name="verticalSpacer_2">
          <property name="orientation">
-          <enum>Qt::Vertical</enum>
+          <enum>Qt::Orientation::Vertical</enum>
          </property>
          <property name="sizeHint" stdset="0">
           <size>
@@ -189,14 +189,14 @@
           <item row="4" column="1">
            <widget class="QListView" name="scriptsList">
             <property name="editTriggers">
-             <set>QAbstractItemView::NoEditTriggers</set>
+             <set>QAbstractItemView::EditTrigger::NoEditTriggers</set>
             </property>
            </widget>
           </item>
           <item row="3" column="2">
            <spacer name="verticalSpacer">
             <property name="orientation">
-             <enum>Qt::Vertical</enum>
+             <enum>Qt::Orientation::Vertical</enum>
             </property>
             <property name="sizeHint" stdset="0">
              <size>
@@ -232,7 +232,7 @@
              <string>Scripts in Path:</string>
             </property>
             <property name="alignment">
-             <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
+             <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignTop</set>
             </property>
            </widget>
           </item>
@@ -263,7 +263,14 @@
          <property name="title">
           <string>Text Editor Behavior</string>
          </property>
-         <layout class="QFormLayout" name="formLayout_3">
+         <layout class="QFormLayout" name="formLayout_2">
+          <item row="0" column="0" colspan="2">
+           <widget class="QCheckBox" name="insertSpacesCheck">
+            <property name="text">
+             <string>Insert spaces when pressing tab.</string>
+            </property>
+           </widget>
+          </item>
           <item row="1" column="0">
            <widget class="QLabel" name="label_6">
             <property name="text">
@@ -271,15 +278,35 @@
             </property>
            </widget>
           </item>
-          <item row="0" column="0" colspan="2">
-           <widget class="QCheckBox" name="insertSpacesCheck">
+          <item row="1" column="1">
+           <widget class="QLineEdit" name="tabSize"/>
+          </item>
+          <item row="2" column="0">
+           <widget class="QLabel" name="label">
             <property name="text">
-             <string>Insert spaces when pressing tab.</string>
+             <string>Default Encoding:</string>
             </property>
            </widget>
           </item>
-          <item row="1" column="1">
-           <widget class="QLineEdit" name="tabSize"/>
+          <item row="2" column="1">
+           <layout class="QHBoxLayout" name="horizontalLayout">
+            <item>
+             <widget class="QComboBox" name="encoding"/>
+            </item>
+            <item>
+             <spacer name="horizontalSpacer">
+              <property name="orientation">
+               <enum>Qt::Orientation::Horizontal</enum>
+              </property>
+              <property name="sizeHint" stdset="0">
+               <size>
+                <width>248</width>
+                <height>17</height>
+               </size>
+              </property>
+             </spacer>
+            </item>
+           </layout>
           </item>
          </layout>
         </widget>
@@ -362,7 +389,7 @@
             <item row="2" column="1">
              <spacer name="verticalSpacer_4">
               <property name="orientation">
-               <enum>Qt::Vertical</enum>
+               <enum>Qt::Orientation::Vertical</enum>
               </property>
               <property name="sizeHint" stdset="0">
                <size>
@@ -380,7 +407,7 @@
        <item>
         <spacer name="verticalSpacer_3">
          <property name="orientation">
-          <enum>Qt::Vertical</enum>
+          <enum>Qt::Orientation::Vertical</enum>
          </property>
          <property name="sizeHint" stdset="0">
           <size>
@@ -604,7 +631,7 @@
           <item row="3" column="1">
            <spacer name="verticalSpacer_5">
             <property name="orientation">
-             <enum>Qt::Vertical</enum>
+             <enum>Qt::Orientation::Vertical</enum>
             </property>
             <property name="sizeHint" stdset="0">
              <size>
@@ -646,7 +673,7 @@
              <string>Excluded Macros</string>
             </property>
             <property name="alignment">
-             <set>Qt::AlignLeading|Qt::AlignLeft|Qt::AlignTop</set>
+             <set>Qt::AlignmentFlag::AlignLeading|Qt::AlignmentFlag::AlignLeft|Qt::AlignmentFlag::AlignTop</set>
             </property>
            </widget>
           </item>
@@ -677,10 +704,10 @@
    <item row="0" column="1">
     <widget class="QLabel" name="title">
      <property name="text">
-      <string>Script Paths</string>
+      <string>General</string>
      </property>
      <property name="alignment">
-      <set>Qt::AlignCenter</set>
+      <set>Qt::AlignmentFlag::AlignCenter</set>
      </property>
     </widget>
    </item>
@@ -705,10 +732,10 @@
       </size>
      </property>
      <property name="frameShape">
-      <enum>QFrame::StyledPanel</enum>
+      <enum>QFrame::Shape::StyledPanel</enum>
      </property>
      <property name="currentRow">
-      <number>-1</number>
+      <number>0</number>
      </property>
      <item>
       <property name="text">
@@ -722,7 +749,7 @@
      </item>
      <item>
       <property name="text">
-       <string>Script Behavior</string>
+       <string>Text Files</string>
       </property>
      </item>
      <item>
diff --git a/tests/tst_jsondocument.cpp b/tests/tst_jsondocument.cpp
index 8b68e72c..56880344 100644
--- a/tests/tst_jsondocument.cpp
+++ b/tests/tst_jsondocument.cpp
@@ -10,6 +10,7 @@
 
 #include "common/test_utils.h"
 #include "core/jsondocument.h"
+#include "core/knutcore.h"
 #include "core/utils.h"
 
 #include <QTest>
@@ -19,7 +20,17 @@ class TestJsonDocument : public QObject
     Q_OBJECT
 
 private slots:
-    void initTestCase() { Q_INIT_RESOURCE(core); }
+    void initTestCase()
+    {
+        Q_INIT_RESOURCE(core);
+        m_core = new Core::KnutCore();
+    }
+
+    void cleanupTestCase()
+    {
+        delete m_core;
+        m_core = nullptr;
+    }
 
     void load()
     {
@@ -136,6 +147,9 @@ private slots:
         QFile::remove(saveFileName);
         QFile::remove(saveAsFileName);
     }
+
+private:
+    Core::KnutCore *m_core = nullptr;
 };
 
 QTEST_MAIN(TestJsonDocument)
diff --git a/tests/tst_textdocument.cpp b/tests/tst_textdocument.cpp
index de566c1a..0c1d32f2 100644
--- a/tests/tst_textdocument.cpp
+++ b/tests/tst_textdocument.cpp
@@ -47,7 +47,17 @@ class TestTextDocument : public QObject
     Q_OBJECT
 
 private slots:
-    void initTestCase() { Q_INIT_RESOURCE(core); }
+    void initTestCase()
+    {
+        Q_INIT_RESOURCE(core);
+        m_core = new Core::KnutCore();
+    }
+
+    void cleanupTestCase()
+    {
+        delete m_core;
+        m_core = nullptr;
+    }
 
     void load()
     {
@@ -364,7 +374,6 @@ private slots:
 
         Test::FileTester file(Test::testDataPath() + "/tst_textdocument/indent/indent.txt");
         {
-            Core::KnutCore core;
             Core::TextDocument document;
             document.load(file.fileName());
 
@@ -684,6 +693,9 @@ private slots:
         document.setText("IDOK:");
         QVERIFY(document.find("IDOK", Core::TextDocument::FindWholeWords));
     }
+
+private:
+    Core::KnutCore *m_core = nullptr;
 };
 
 QTEST_MAIN(TestTextDocument)