diff --git a/core/modules/views/views.module b/core/modules/views/views.module
index 3bc0bd1..d63498a 100644
--- a/core/modules/views/views.module
+++ b/core/modules/views/views.module
@@ -114,6 +114,7 @@ function views_theme($existing, $type, $theme, $path) {
   $hooks['views_view_grouping'] = $base + array(
     'pattern' => 'views_view_grouping__',
     'variables' => array('view' => NULL, 'grouping' => NULL, 'grouping_level' => NULL, 'rows' => NULL, 'title' => NULL),
+    'template' => 'views-view-grouping',
   );
 
   $plugins = views_get_plugin_definitions();