--- old/src/solaris/classes/sun/awt/X11/XWM.java	2013-09-08 14:11:27.062382189 -0400
+++ new/src/solaris/classes/sun/awt/X11/XWM.java	2013-09-08 14:11:26.615374323 -0400
@@ -592,7 +592,7 @@
     }
 
     static boolean isMutter() {
-        return isNetWMName("Mutter");
+        return isNetWMName("Mutter") || isNetWMName("GNOME Shell");
     }
 
     static boolean isNonReparentingWM() {