diff --git a/src/Dflydev/Stack/Firewall/Matcher.php b/src/Dflydev/Stack/Firewall/Matcher.php
index 29dffb9..4c3782a 100644
--- a/src/Dflydev/Stack/Firewall/Matcher.php
+++ b/src/Dflydev/Stack/Firewall/Matcher.php
@@ -35,7 +35,7 @@ public function __construct(array $firewalls)
             if ($a['path'] === $b['path']) {
                 return 0;
             }
-            return -($a > $b ? 1 : -1);
+            return -($a['path'] > $b['path'] ? 1 : -1);
         });
     }