diff --git a/clutter/clutter/x11/clutter-stage-x11.c b/clutter/clutter/x11/clutter-stage-x11.c
index b2313f31a..63b2e5b15 100644
--- a/clutter/clutter/x11/clutter-stage-x11.c
+++ b/clutter/clutter/x11/clutter-stage-x11.c
@@ -71,6 +71,19 @@ G_DEFINE_TYPE_WITH_CODE (ClutterStageX11,
 #define _NET_WM_STATE_ADD           1    /* add/set property */
 #define _NET_WM_STATE_TOGGLE        2    /* toggle property  */
 
+#define CLUTTER_STAGE_X11_EVENT_MASK \
+  StructureNotifyMask | \
+  FocusChangeMask | \
+  ExposureMask | \
+  PropertyChangeMask | \
+  EnterWindowMask | \
+  LeaveWindowMask | \
+  KeyPressMask | \
+  KeyReleaseMask | \
+  ButtonPressMask | \
+  ButtonReleaseMask | \
+  PointerMotionMask
+
 static void
 send_wmspec_change_state (ClutterBackendX11 *backend_x11,
                           Window             window,
diff --git a/clutter/clutter/x11/clutter-stage-x11.h b/clutter/clutter/x11/clutter-stage-x11.h
index 315939e95..0bf1295ca 100644
--- a/clutter/clutter/x11/clutter-stage-x11.h
+++ b/clutter/clutter/x11/clutter-stage-x11.h
@@ -76,19 +76,6 @@ struct _ClutterStageX11Class
   ClutterStageCoglClass parent_class;
 };
 
-#define CLUTTER_STAGE_X11_EVENT_MASK \
-  StructureNotifyMask | \
-  FocusChangeMask | \
-  ExposureMask | \
-  PropertyChangeMask | \
-  EnterWindowMask | \
-  LeaveWindowMask | \
-  KeyPressMask | \
-  KeyReleaseMask | \
-  ButtonPressMask | \
-  ButtonReleaseMask | \
-  PointerMotionMask
-
 GType _clutter_stage_x11_get_type (void) G_GNUC_CONST;
 
 void  _clutter_stage_x11_events_device_changed (ClutterStageX11 *stage_x11,