diff --git a/src/Gui/ActionFunction.h b/src/Gui/ActionFunction.h
index 1a0f46e4b9..a05b240dfc 100644
--- a/src/Gui/ActionFunction.h
+++ b/src/Gui/ActionFunction.h
@@ -25,6 +25,7 @@
 #define GUI_ACTIONFUNCTION_H
 
 #include <QObject>
+#include <QPointer>
 #include <boost/function.hpp>
 
 class QAction;