diff --git a/tests/lib/IO/Flysystem/VisibilityConverter/SiteAccessAwareVisibilityConverterTest.php b/tests/lib/IO/Flysystem/VisibilityConverter/SiteAccessAwareVisibilityConverterTest.php
index 3c9da4733b..7316fbeb0d 100644
--- a/tests/lib/IO/Flysystem/VisibilityConverter/SiteAccessAwareVisibilityConverterTest.php
+++ b/tests/lib/IO/Flysystem/VisibilityConverter/SiteAccessAwareVisibilityConverterTest.php
@@ -18,8 +18,8 @@
  */
 final class SiteAccessAwareVisibilityConverterTest extends BaseVisibilityConverterTest
 {
-    private const SITE_FILE_FLAGS = 0644;
-    private const SITE_DIRECTORY_FLAGS = 0755;
+    private const int SITE_FILE_FLAGS = 0644;
+    private const int SITE_DIRECTORY_FLAGS = 0755;
 
     protected function buildVisibilityConverter(): BaseVisibilityConverter
     {