diff --git a/dub.json b/dub.json
index 2376429..26eeb41 100644
--- a/dub.json
+++ b/dub.json
@@ -4,5 +4,7 @@
     "description": "Example of a DUB package also usable as git submodule. For DUB test suite.",
     "importPaths": [".."],
     "sourcePaths": ["."],
-    "license": "public domain"
+    "license": "public domain",
+    "mainSourceFile": "hello.d",
+    "targetType": "executable"
 }
diff --git a/hello.d b/hello.d
new file mode 100644
index 0000000..4895fbe
--- /dev/null
+++ b/hello.d
@@ -0,0 +1,7 @@
+module hello;
+
+void main(string[] args)
+{
+    import std.stdio;
+    writeln("Hello DUB");
+}