--- a/src/gui/src/Widgets/InlineEdit.h
+++ b/src/gui/src/Widgets/InlineEdit.h
@@ -23,6 +23,7 @@
 #define INLINE_EDIT_H
 
 #include <QLineEdit>
+#include <QKeyEvent>
 
 #include <core/config.h>
 #include <core/Object.h>