diff --git a/browser/components/preferences/main.js b/browser/components/preferences/main.js
index a95b57be256..fff6bfd7be8 100644
--- a/browser/components/preferences/main.js
+++ b/browser/components/preferences/main.js
@@ -155,8 +155,10 @@ var gMainPane = {
       else
         useCurrent.label = useCurrent.getAttribute("label1");
     }
-    else
+    else {
+      useCurrent.label = useCurrent.getAttribute("label1");
       useCurrent.disabled = true;
+    }
   },
 
   /**