diff --git a/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m b/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
index 66ead8fe07..cac72e6360 100644
--- a/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
+++ b/gst-libs/gst/gl/cocoa/gstglwindow_cocoa.m
@@ -493,6 +493,7 @@ close_window_cb (gpointer data)
 #endif
 
   /* Get notified about changes */
+  [self setPostsFrameChangedNotifications:YES];
   [[NSNotificationCenter defaultCenter] addObserver: self selector:@selector(reshape:) name: NSViewFrameDidChangeNotification object: self];
   [self setWantsBestResolutionOpenGLSurface:YES];