diff --git a/lib/Db/Group.php b/lib/Db/Group.php
index f668282b7..4b23fae19 100644
--- a/lib/Db/Group.php
+++ b/lib/Db/Group.php
@@ -35,7 +35,7 @@ class Group extends RelationalObject {
 	public function getObjectSerialization() {
 		return [
 			'uid' => $this->object->getGID(),
-			'displayname' => $this->object->getDisplayName()
+			'displayname' => $this->object->getGID()
 		];
 	}
 }
\ No newline at end of file