diff --git a/src/libinputactions/triggers/SwipeTrigger.h b/src/libinputactions/triggers/SwipeTrigger.h
index 9da6ca0..4e406a7 100644
--- a/src/libinputactions/triggers/SwipeTrigger.h
+++ b/src/libinputactions/triggers/SwipeTrigger.h
@@ -56,7 +56,7 @@ class SwipeTriggerUpdateEvent : public MotionTriggerUpdateEvent
 private:
     qreal m_angle{};
     qreal m_averageAngle{};
-    const InputDevice *m_sender;
+    const InputDevice *m_sender{};
 };
 
 /**