diff --git a/question/bank/tagquestion/classes/plugin_feature.php b/question/bank/tagquestion/classes/plugin_feature.php
index e598fd9e0a9..cdce4ae2e3f 100644
--- a/question/bank/tagquestion/classes/plugin_feature.php
+++ b/question/bank/tagquestion/classes/plugin_feature.php
@@ -41,5 +41,7 @@ class plugin_feature extends plugin_features_base{
                 new tag_condition($qbank),
             ];
         }
+
+        return [];
     }
 }