diff --git a/tests/RouterTest.php b/tests/RouterTest.php
index ecc31cf..674b73e 100644
--- a/tests/RouterTest.php
+++ b/tests/RouterTest.php
@@ -52,6 +52,8 @@ class RouterTest extends TestCase {
         
         $this->assertEquals([1 => 'etc', 2 => 'passwd'], \PhangoApp\PhaRouter\filter_path('/...../etc/passwd'));
         
+        $this->assertEquals([1 => 'etc', 2 => 'passwd'], \PhangoApp\PhaRouter\filter_path('/../../etc/passwd'));
+        
     }
     
 }