diff --git a/modules/gerrit/files/GerritSiteHeader.html b/modules/gerrit/files/GerritSiteHeader.html
index d243607e35..26032c543f 100644
--- a/modules/gerrit/files/GerritSiteHeader.html
+++ b/modules/gerrit/files/GerritSiteHeader.html
@@ -5,14 +5,11 @@
       var hash = window.location.hash;
       return hash.substring(1); // remove #
     }
-    window.onload = function() {
-      var hash_arr= getHash().split(",");
-      if (hash_arr[0] == 'patch') {
-        var elem = document.getElementById("gerrit_body");
-        elem.className = elem.className + ' patch';
-      }
-    };
-    window.onhashchange = function() {
+
+    window.onload = setTimeout(add_patch_tag, 1000)
+    window.onhashchange = add_patch_tag
+
+    function add_patch_tag() {
       var hash_arr= getHash().split(",");
       var elem = document.getElementById("gerrit_body");
       if (hash_arr[0] == 'patch') {
@@ -20,7 +17,7 @@
       } else {
         elem.className = elem.className.replace(' patch', '');
       }
-    };
+    }
     
   </script>
 </div>