diff --git a/tests/_files/direct_links/test.php b/tests/_files/direct_links/test.php
index 0e03581..aa64392 100644
--- a/tests/_files/direct_links/test.php
+++ b/tests/_files/direct_links/test.php
@@ -1,3 +1,5 @@
 <?php
 
-echo 'Test file; please ignore'
+declare(strict_types=1);
+
+echo 'Test file; please ignore';