diff --git a/browser/metro/theme/browser.css b/browser/metro/theme/browser.css
index c791912f49b..dea48f0a476 100644
--- a/browser/metro/theme/browser.css
+++ b/browser/metro/theme/browser.css
@@ -308,7 +308,7 @@ documenttab[selected] .documenttab-selection {
   padding: 0 !important;
 }
 
-#urlbar-edit :invalid {
+#urlbar-edit > hbox > .textbox-input-box > .textbox-input:invalid {
   /* Hide error glow around the address bar that shows by default
    * when URLs are made invalid by trmming. */
   box-shadow: none !important;