--- a/widget/src/cocoa/nsChildView.mm
+++ b/widget/src/cocoa/nsChildView.mm
@@ -2660,21 +2660,21 @@ static const PRInt32 sShadowInvalidation
   CGContextSetLineWidth(aContext, 4.0);
   CGContextStrokeRect(aContext,
                       CGRectMake(aRect.origin.x, aRect.origin.y, aRect.size.width, aRect.size.height));
 #endif
 }
 
 - (void)viewWillDraw
 {
-  if (!mGeckoChild)
-    return;
-
-  nsPaintEvent paintEvent(PR_TRUE, NS_WILL_PAINT, mGeckoChild);
-  mGeckoChild->DispatchWindowEvent(paintEvent);
+  if (mGeckoChild) {
+    nsPaintEvent paintEvent(PR_TRUE, NS_WILL_PAINT, mGeckoChild);
+    mGeckoChild->DispatchWindowEvent(paintEvent);
+  }
+  [super viewWillDraw];
 }
 
 // Allows us to turn off setting up the clip region
 // before each drawRect. We already clip within gecko.
 - (BOOL)wantsDefaultClipping
 {
   return NO;
 }