diff --git a/mozilla/gfx/src/gtk/nsRegionGTK.cpp b/mozilla/gfx/src/gtk/nsRegionGTK.cpp
index 2b1ef0a29ee..2cd934de647 100644
--- a/mozilla/gfx/src/gtk/nsRegionGTK.cpp
+++ b/mozilla/gfx/src/gtk/nsRegionGTK.cpp
@@ -250,6 +250,8 @@ NS_IMETHODIMP nsRegionGTK::GetRects(nsRegionRectSet **aRects)
     rect++;
   }
 
+  *aRects = rects;
+
   return NS_OK;
 }