diff --git a/mozilla/browser/base/content/browser.js b/mozilla/browser/base/content/browser.js
index 5a707953133..63de19b9492 100644
--- a/mozilla/browser/base/content/browser.js
+++ b/mozilla/browser/base/content/browser.js
@@ -1566,7 +1566,7 @@ function loadOneOrMoreURIs(aURIString)
 
 function openLocation()
 {
-  if (gURLBar && isElementVisible(gURLBar)) {
+  if (gURLBar && isElementVisible(gURLBar) && !gURLBar.readOnly) {
     gURLBar.focus();
     gURLBar.select();
     return;