diff --git a/core/modules/forum/forum.module b/core/modules/forum/forum.module
index b334c42..21c5b79 100644
--- a/core/modules/forum/forum.module
+++ b/core/modules/forum/forum.module
@@ -780,7 +780,7 @@ function forum_forum_load($tid = NULL) {
     $counts = $query
       ->fields('f', array('tid'))
       ->condition('status', 1)
-      ->groupBy('tid')
+      ->groupBy('f.tid')
       ->addTag('node_access')
       ->execute()
       ->fetchAllAssoc('tid');