--- a/mobile/chrome/content/bindings.xml
+++ b/mobile/chrome/content/bindings.xml
@@ -24,19 +24,22 @@
           // controller would otherwise close us because of an empty search
           // string.
           if (this.value == "")
             this.showHistoryPopup();
         ]]></body>
       </method>
     </implementation>
     <handlers>
-      <handler event="keypress" keycode="VK_RETURN" phase="capturing">
+      <handler event="keypress" phase="capturing">
         <![CDATA[
-          setTimeout(function() { BrowserUI.activePanel = null }, 0);
+          if (event.keyCode == event.DOM_VK_RETURN)
+            setTimeout(function() { BrowserUI.activePanel = null }, 0);
+          else if (this.readOnly)
+            this.readOnly = false;
         ]]>
       </handler>
       <handler event="text" phase="bubbling"
                action="if (this.mController.input == this) this.mController.handleText();"/>
     </handlers>
   </binding>
 
   <binding id="popup_autocomplete_result">