1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Controller/EntityApiSerializer.php b/lib/Controller/EntityApiSerializer.php
index c7fdb84e5..daa0f20e5 100644
--- a/lib/Controller/EntityApiSerializer.php
+++ b/lib/Controller/EntityApiSerializer.php
@@ -57,7 +57,7 @@ class EntityApiSerializer
     }
 
 
-    private function convert($entities)
+    private function convert(array $entities)
     {
         $converted = [];