diff --git a/tests/Account/PermissionAbstractTest.php b/tests/Account/PermissionAbstractTest.php
index eb5dd0c8b..790074a3c 100644
--- a/tests/Account/PermissionAbstractTest.php
+++ b/tests/Account/PermissionAbstractTest.php
@@ -230,7 +230,7 @@ class PermissionAbstractTest extends \PHPUnit\Framework\TestCase
         $perm->setPermission(PermissionType::READ);
         $perm->addPermission(PermissionType::CREATE);
         self::assertTrue($perm->hasPermissionFlags(PermissionType::READ));
-        self::assertTrue($perm->hasPermissionFlags(PermissionType::READ & PermissionType::CREATE));
+        self::assertTrue($perm->hasPermissionFlags(PermissionType::READ | PermissionType::CREATE));
     }
 
     /**