diff --git a/scoper.inc.php b/scoper.inc.php
index c5b63d6d..85f58168 100644
--- a/scoper.inc.php
+++ b/scoper.inc.php
@@ -14,7 +14,8 @@
 				'bin',
 				'bamarni',
 				'nextcloud',
-				'symfony'
+				'symfony',
+				'psr'
 			])
 			->in('.'),
 		],