diff --git a/src/gui/dlgStdPad.hpp b/src/gui/dlgStdPad.hpp
index 0b064634d..ef4c07876 100644
--- a/src/gui/dlgStdPad.hpp
+++ b/src/gui/dlgStdPad.hpp
@@ -47,6 +47,8 @@ typedef struct _joy_list {
 extern _joy_list joy_list;
 
 class pixmapButton: public QPushButton {
+	Q_OBJECT
+
 	private:
 		QPixmap pixmap;