diff --git a/resources/lang/pl_PL/breadcrumbs.php b/resources/lang/pl_PL/breadcrumbs.php
index c46ffec26b..e9f8069e2c 100644
--- a/resources/lang/pl_PL/breadcrumbs.php
+++ b/resources/lang/pl_PL/breadcrumbs.php
@@ -1,4 +1,6 @@
 <?php
+declare(strict_types=1);
+
 
 /**
  * breadcrumbs.php