diff --git a/core/modules/locale/locale.module b/core/modules/locale/locale.module
index 7fd3a04..a32d47d 100644
--- a/core/modules/locale/locale.module
+++ b/core/modules/locale/locale.module
@@ -264,7 +264,7 @@ function locale($string = NULL, $context = NULL, $langcode = NULL) {
   // actually enabled and its database tables are installed. Since PHP code
   // cannot be unloaded, this is typically the case in the environment that
   // is executing a test.
-  if (!isset($locale_exits)) {
+  if (!isset($locale_exists)) {
     $locale_exists = function_exists('module_exists') && module_exists('locale');
   }
   if (!$locale_exists) {