diff --git a/gdk/quartz/gdkdrawable-quartz.c b/gdk/quartz/gdkdrawable-quartz.c
index ac4887a58..1bbf7c92a 100644
--- a/gdk/quartz/gdkdrawable-quartz.c
+++ b/gdk/quartz/gdkdrawable-quartz.c
@@ -359,10 +359,17 @@ gdk_quartz_draw_drawable (GdkDrawable *drawable,
        */
       if (drawable == (GdkDrawable *)window_impl)
         {
-          [window_impl->view scrollRect:NSMakeRect (xsrc, ysrc, width, height)
-                                     by:NSMakeSize (xdest - xsrc, ydest - ysrc)];
+          NSRect rect = NSMakeRect (xsrc, ysrc, width, height);
+          NSSize offset = NSMakeSize (xdest - xsrc, ydest - ysrc);
 
+          [window_impl->view scrollRect:rect by:offset];
 
+          /* The scrollRect only "takes effect" on the next redraw, we must
+           * set that the offset rectangle needs display.
+           */
+          rect.origin.x += offset.width;
+          rect.origin.y += offset.height;
+          [window_impl->view setNeedsDisplayInRect:rect];
         }
       else
         g_warning ("Drawing with window source != dest is not supported");