diff --git a/core/modules/ckeditor/ckeditor.module b/core/modules/ckeditor/ckeditor.module
index d7d84f2..a7a8538 100644
--- a/core/modules/ckeditor/ckeditor.module
+++ b/core/modules/ckeditor/ckeditor.module
@@ -86,12 +86,12 @@ function _ckeditor_theme_css($theme = NULL) {
     $info = system_get_info('theme', $theme);
     if (isset($info['ckeditor_stylesheets'])) {
       $css = $info['ckeditor_stylesheets'];
-      foreach ($css as $key => $path) {
-        if (UrlHelper::isExternal($path)) {
-          $css[$key] = $path;
+      foreach ($css as $key => $url) {
+        if (UrlHelper::isExternal($url)) {
+          $css[$key] = $url;
         }
         else {
-          $css[$key] = $theme_path . '/' . $path;
+          $css[$key] = $theme_path . '/' . $url;
         }
       }
     }