diff --git a/src/Illuminate/Routing/Middleware/ValidateSignature.php b/src/Illuminate/Routing/Middleware/ValidateSignature.php
index e0fa881059b3..85de9a24aab4 100644
--- a/src/Illuminate/Routing/Middleware/ValidateSignature.php
+++ b/src/Illuminate/Routing/Middleware/ValidateSignature.php
@@ -18,7 +18,7 @@ class ValidateSignature
      */
     public function handle($request, Closure $next)
     {
-        if ($request->hasValidSignature($request)) {
+        if ($request->hasValidSignature()) {
             return $next($request);
         }