diff --git a/layout/reftests/forms/reftest.list b/layout/reftests/forms/reftest.list
index b2462c4f5f07..ba36940fee46 100644
--- a/layout/reftests/forms/reftest.list
+++ b/layout/reftests/forms/reftest.list
@@ -1,3 +1,3 @@
 == input-file-width-clip-1.html input-file-width-clip-ref.html # bug 409587
-fails-if(MOZ_WIDGET_TOOLKIT=="cocoa") == input-text-size-1.html input-text-size-1-ref.html # bug 428458
+fails-if(MOZ_WIDGET_TOOLKIT!="gtk2") == input-text-size-1.html input-text-size-1-ref.html # bug 428458
 == input-text-size-2.html input-text-size-2-ref.html