diff --git a/app/config/collections.php b/app/config/collections.php
index d7f6a6601c..626676259b 100644
--- a/app/config/collections.php
+++ b/app/config/collections.php
@@ -1672,7 +1672,7 @@ $commonCollections = [
                 'signed' => true,
                 'required' => false,
                 'default' => null,
-                'array' => true,
+                'array' => false,
                 'filters' => ['subQueryTopicTargets'],
             ]
         ],