diff --git a/src/Illuminate/Session/Middleware/StartSession.php b/src/Illuminate/Session/Middleware/StartSession.php
index 955486f2f6c3..c702d920473b 100644
--- a/src/Illuminate/Session/Middleware/StartSession.php
+++ b/src/Illuminate/Session/Middleware/StartSession.php
@@ -5,6 +5,7 @@
 use Closure;
 use Illuminate\Contracts\Session\Session;
 use Illuminate\Http\Request;
+use Illuminate\Routing\Route;
 use Illuminate\Session\SessionManager;
 use Illuminate\Support\Carbon;
 use Illuminate\Support\Facades\Date;
@@ -56,7 +57,7 @@ public function handle($request, Closure $next)
         $session = $this->getSession($request);
 
         if ($this->manager->shouldBlock() ||
-            ($request->route() && $request->route()->locksFor())) {
+            ($request->route() instanceof Route && $request->route()->locksFor())) {
             return $this->handleRequestWhileBlocking($request, $session, $next);
         } else {
             return $this->handleStatefulRequest($request, $session, $next);
@@ -73,6 +74,10 @@ public function handle($request, Closure $next)
      */
     protected function handleRequestWhileBlocking(Request $request, $session, Closure $next)
     {
+        if (! $request->route() instanceof Route) {
+            return;
+        }
+
         $lockFor = $request->route() && $request->route()->locksFor()
                         ? $request->route()->locksFor()
                         : 10;
@@ -195,7 +200,7 @@ protected function configHitsLottery(array $config)
     protected function storeCurrentUrl(Request $request, $session)
     {
         if ($request->method() === 'GET' &&
-            $request->route() &&
+            $request->route() instanceof Route &&
             ! $request->ajax() &&
             ! $request->prefetch()) {
             $session->setPreviousUrl($request->fullUrl());