diff --git a/src/RelevantContentService.php b/src/RelevantContentService.php
index f81a615..901d3fd 100644
--- a/src/RelevantContentService.php
+++ b/src/RelevantContentService.php
@@ -116,6 +116,7 @@ class RelevantContentService implements RelevantContentServiceInterface {
 
     // Group, order and limit the query.
     $query->groupBy('n.nid')
+      ->groupBy('n.created')
       ->orderBy('cnt', 'DESC')
       ->orderBy('n.created', 'DESC')
       ->orderBy('n.nid', 'DESC')