diff --git a/gdk/quartz/GdkQuartzView.c b/gdk/quartz/GdkQuartzView.c
index 3cc0f2e124..35209e3e3b 100644
--- a/gdk/quartz/GdkQuartzView.c
+++ b/gdk/quartz/GdkQuartzView.c
@@ -133,6 +133,9 @@
   GdkWindowImplQuartz *impl = GDK_WINDOW_IMPL_QUARTZ (private->impl);
   NSRect rect;
 
+  if (!impl->toplevel)
+    return;
+
   if (trackingRect)
     {
       [self removeTrackingRect:trackingRect];