diff --git a/themes/userChrome.css b/themes/userChrome.css
index 183bf9e..9cf76df 100644
--- a/themes/userChrome.css
+++ b/themes/userChrome.css
@@ -1,4 +1,4 @@
-@-moz-document url("chrome://browser/content/browser.xul")  {
+@-moz-document url("chrome://browser/content/browser.xhtml")  {
 	/* get rid of hamburgers */
 	#PanelUI-menu-button {
 		display: none;