diff --git a/extensions/user-theme/extension.js b/extensions/user-theme/extension.js
index 2e61dade..be1416ff 100644
--- a/extensions/user-theme/extension.js
+++ b/extensions/user-theme/extension.js
@@ -26,14 +26,14 @@ ThemeManager.prototype = {
 
         if (_themeName) {
             let _userCssStylesheet = GLib.get_home_dir() + '/.themes/' + _themeName + '/gnome-shell/gnome-shell.css';
-            file = Gio.file_new_for_path(_userCssStylesheet);
+            let file = Gio.file_new_for_path(_userCssStylesheet);
             if (file.query_exists(null))
                 _stylesheet = _userCssStylesheet;
             else {
                 let sysdirs = GLib.get_system_data_dirs();
                 for (let i = 0; i < sysdirs.length; i++) {
                     _userCssStylesheet = sysdirs[i] + '/themes/' + _themeName + '/gnome-shell/gnome-shell.css';
-                    file = Gio.file_new_for_path(_userCssStylesheet);
+                    let file = Gio.file_new_for_path(_userCssStylesheet);
                     if (file.query_exists(null)) {
                         _stylesheet = _userCssStylesheet;
                         break;