diff --git a/common/content/buffer.js b/common/content/buffer.js
index d773b842..9cbab80d 100644
--- a/common/content/buffer.js
+++ b/common/content/buffer.js
@@ -1008,7 +1008,7 @@ function Buffer() //{{{
             if (elemTagName == "frame" || elemTagName == "iframe")
             {
                 elem.contentWindow.focus();
-                return false;
+                return;
             }
 
             elem.focus();
@@ -1109,7 +1109,7 @@ function Buffer() //{{{
             if (localName == "frame" || localName == "iframe") // broken?
             {
                 elem.contentWindow.focus();
-                return false;
+                return;
             }
             else if (localName == "area") // for imagemap
             {