diff --git a/src/ORM/Marshaller.php b/src/ORM/Marshaller.php
index f1de596faa8..75fc36d0a51 100644
--- a/src/ORM/Marshaller.php
+++ b/src/ORM/Marshaller.php
@@ -380,9 +380,7 @@ protected function _loadAssociatedByIds($assoc, $ids)
         $target = $assoc->target();
         $primaryKey = (array)$target->primaryKey();
         $multi = count($primaryKey) > 1;
-        $primaryKey = array_map(function ($key) use ($target) {
-            return $target->alias() . '.' . $key;
-        }, $primaryKey);
+        $primaryKey = array_map([$target, 'aliasField'], $primaryKey);
 
         if ($multi) {
             if (count(current($ids)) !== count($primaryKey)) {