diff --git a/core/modules/locale/locale.install b/core/modules/locale/locale.install
index 7f80634..a27aead 100644
--- a/core/modules/locale/locale.install
+++ b/core/modules/locale/locale.install
@@ -30,6 +30,25 @@ function locale_enable() {
 
   locale_language_negotiation_url_prefixes_save($prefixes);
   locale_language_negotiation_url_domains_save($domains);
+
+  //Active negotation URL
+  $data = array(
+    'locale-url' => array(
+      'callbacks' => array(
+        'language' => 'locale_language_from_url',
+        'switcher' => 'locale_language_switcher_url',
+        'url_rewrite' => 'locale_language_url_rewrite_url',
+      ),
+      'file' => '/core/includes/locale.inc',
+    ),
+    'language-default' => array(
+      'callbacks' => array(
+        'language' => 'language_from_default'
+      )
+    )
+  );
+
+  variable_set('language_negotiation_language', $data);
 }
 
 /**