diff --git a/common/content/browser.js b/common/content/browser.js
index 484d654b..e3c789e0 100644
--- a/common/content/browser.js
+++ b/common/content/browser.js
@@ -14,7 +14,7 @@
 var Browser = Module("browser", {
 }, {
     climbUrlPath: function (count) {
-        let url = buffer.URI;
+        let url = buffer.URI.clone();
         dactyl.assert(url instanceof Ci.nsIURL);
 
         while (count-- && url.path != "/")
diff --git a/common/content/editor.js b/common/content/editor.js
index 96beaeb2..2448c7cb 100644
--- a/common/content/editor.js
+++ b/common/content/editor.js
@@ -578,7 +578,7 @@ var Editor = Module("editor", {
             ["<C-i>"], "Edit text field with an external editor",
             function () { editor.editFieldExternally(); });
 
-        mappings.add([modes.INSERT],
+        mappings.add([modes.INSERT, modes.COMMAND_LINE],
             ["<C-t>"], "Edit text field in Vi mode",
             function () {
                 dactyl.assert(!editor.isTextEdit);