diff --git a/src/Illuminate/Routing/Route.php b/src/Illuminate/Routing/Route.php
index 27cf0a844158..75f958fbc24f 100755
--- a/src/Illuminate/Routing/Route.php
+++ b/src/Illuminate/Routing/Route.php
@@ -280,11 +280,11 @@ public function getController()
     /**
      * Get the controller class used for the route.
      *
-     * @return string
+     * @return string|null
      */
     public function getControllerClass()
     {
-        return $this->parseControllerCallback()[0];
+        return $this->isControllerAction() ? $this->parseControllerCallback()[0] : null;
     }
 
     /**
diff --git a/tests/Routing/RoutingRouteTest.php b/tests/Routing/RoutingRouteTest.php
index 128dd49b4673..5a1a675d5cf5 100644
--- a/tests/Routing/RoutingRouteTest.php
+++ b/tests/Routing/RoutingRouteTest.php
@@ -405,6 +405,19 @@ public function testRouteGetAction()
         $this->assertNull($route->getAction('unknown_property'));
     }
 
+    public function testRouteGetControllerClass()
+    {
+        $router = $this->getRouter();
+
+        $controllerRoute = $router->get('foo/bar')->uses(RouteTestControllerStub::class.'@index');
+        $closureRoute = $router->get('foo', function () {
+            return 'foo';
+        });
+
+        $this->assertSame(RouteTestControllerStub::class, $controllerRoute->getControllerClass());
+        $this->assertNull($closureRoute->getControllerClass());
+    }
+
     public function testResolvingBindingParameters()
     {
         $router = $this->getRouter();