diff --git a/browser/base/content/tabbrowser.xml b/browser/base/content/tabbrowser.xml
index 2d457008d79..d6f1389b8f2 100644
--- a/browser/base/content/tabbrowser.xml
+++ b/browser/base/content/tabbrowser.xml
@@ -621,6 +621,8 @@
 
             // Update the URL bar.
             var loc = this.mCurrentBrowser.currentURI;
+            if (!loc)
+              loc = ({ spec: "" });
 
             var webProgress = this.mCurrentBrowser.webProgress;
             var securityUI = this.mCurrentBrowser.securityUI;
@@ -850,7 +852,7 @@
           <![CDATA[
             var browser = this.getBrowserForTab(aTab);
             var crop = "end";
-            var title = browser.contentTitle;
+            var title = browser.contentDocument.title;
             
             if (!title) {
               if (browser.currentURI.spec) {