diff --git a/src/Illuminate/Auth/RequestGuard.php b/src/Illuminate/Auth/RequestGuard.php
index d0af83cb4f4f..c46891c698ff 100644
--- a/src/Illuminate/Auth/RequestGuard.php
+++ b/src/Illuminate/Auth/RequestGuard.php
@@ -82,6 +82,8 @@ public function setRequest(Request $request)
     {
         $this->request = $request;
 
+        $this->user = null;
+
         return $this;
     }
 }