--- a/browser/base/content/tabbrowser.xml
+++ b/browser/base/content/tabbrowser.xml
@@ -753,17 +753,17 @@
                 // failed URI (particularly for SSL errors). However, don't clear the value
                 // if the error page's URI is about:blank, because that causes complete
                 // loss of urlbar contents for invalid URI errors (see bug 867957).
                 // Another reason to clear the userTypedValue is if this was an anchor
                 // navigation.
                 if (this.mBrowser.userTypedClear > 0 ||
                     ((aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_ERROR_PAGE) &&
                      aLocation.spec != "about:blank") ||
-                     aFlags && Ci.nsIWebProgressListener.LOCATION_CHANGE_SAME_DOCUMENT) {
+                     aFlags & Ci.nsIWebProgressListener.LOCATION_CHANGE_SAME_DOCUMENT) {
                   this.mBrowser.userTypedValue = null;
                 }
 
                 // If the browser was playing audio, we should remove the playing state.
                 if (this.mTab.hasAttribute("soundplaying") &&
                     (!this.mBrowser.lastURI ||
                      this.mBrowser.lastURI.spec != aLocation.spec)) {
                   this.mTab.removeAttribute("soundplaying");