diff --git a/core/includes/install.core.inc b/core/includes/install.core.inc
index 369e868..e1ff94d 100644
--- a/core/includes/install.core.inc
+++ b/core/includes/install.core.inc
@@ -1480,6 +1480,7 @@ function install_import_translations(&$install_state) {
       'default' => TRUE,
     );
     language_save($language);
+    module_invoke_all('language_update', $language);
   }
   else {
     // A known predefined language, details will be filled in properly.