diff --git a/modules/tracker/models/pdo/TrendModel.php b/modules/tracker/models/pdo/TrendModel.php
index c187604bb..782dc874c 100644
--- a/modules/tracker/models/pdo/TrendModel.php
+++ b/modules/tracker/models/pdo/TrendModel.php
@@ -139,7 +139,7 @@ public function getTrendsByGroup($producerDao, $onlyKey = false)
                 'truthDataset' => $truthDatasetItemDao,
             );
             $queryParams = array(
-                't.trendgroup_id' => $row['trendgroup_id']
+                't.trendgroup_id' => $row['trendgroup_id'],
             );
             if ($onlyKey !== false) {
                 $queryParams['key_metric'] = '1';