diff --git a/tests/stub.phpstub b/tests/stub.phpstub
index 8a306892f..e7bd081d3 100644
--- a/tests/stub.phpstub
+++ b/tests/stub.phpstub
@@ -1545,6 +1545,9 @@ namespace OC\Files\Storage\Wrapper{
 		public function getDirectoryContent($directory) : \Traversable
 		{
 		}
+		public function setOwner(?string $user) : void
+		{
+		}
 	}
 
 
@@ -1655,4 +1658,4 @@ namespace OCA\DAV\Connector\Sabre\Exception {
 		*/
 		public function serialize(\Sabre\DAV\Server $server, \DOMElement $errorNode) {}
 	}
-}
\ No newline at end of file
+}