diff --git a/core/modules/locale/locale.module b/core/modules/locale/locale.module
index d535a0f..287a104 100644
--- a/core/modules/locale/locale.module
+++ b/core/modules/locale/locale.module
@@ -254,11 +254,10 @@ function locale($string = NULL, $context = NULL, $langcode = NULL) {
   // Use the advanced drupal_static() pattern, since this is called very often.
   static $drupal_static_fast;
   if (!isset($drupal_static_fast)) {
-    $drupal_static_fast['cache'] = &drupal_static(__FUNCTION__ . ':cache');
-    $drupal_static_fast['exists'] = &drupal_static(__FUNCTION__ . ':exists');
+    $drupal_static_fast['locale'] = &drupal_static(__FUNCTION__, array('cache' => array(), 'exists' => NULL));
   }
-  $locale_t = &$drupal_static_fast['cache'];
-  $locale_exists = &$drupal_static_fast['exists'];
+  $locale_t = &$drupal_static_fast['locale']['cache'];
+  $locale_exists = &$drupal_static_fast['locale']['exists'];
 
   // Check whether Locale module is actually installed and operational.
   // The mere existence of locale() does not imply that Locale module is