diff --git a/src/Illuminate/Routing/UrlGenerator.php b/src/Illuminate/Routing/UrlGenerator.php
index 8dddedef19f5..1e24117a8937 100755
--- a/src/Illuminate/Routing/UrlGenerator.php
+++ b/src/Illuminate/Routing/UrlGenerator.php
@@ -30,6 +30,13 @@ class UrlGenerator implements UrlGeneratorContract
      */
     protected $request;
 
+    /**
+     * The named parameter defaults.
+     *
+     * @var array
+     */
+    protected $defaultParameters = [];
+
     /**
      * The forced URL root.
      *
@@ -108,13 +115,6 @@ class UrlGenerator implements UrlGeneratorContract
         '%25' => '%',
     ];
 
-    /**
-     * Default named parameters.
-     *
-     * @var array
-     */
-    protected $defaultNamedParameters = [];
-
     /**
      * Create a new URL Generator instance.
      *
@@ -304,34 +304,6 @@ protected function getScheme($secure)
         return $secure ? 'https://' : 'http://';
     }
 
-    /**
-     * Get the default named parameters.
-     *
-     * @return array
-     */
-    public function getDefaultNamedParameters()
-    {
-        return $this->defaultNamedParameters;
-    }
-
-    /**
-     * Set the default named parameters.
-     *
-     * @param  string|array  $key
-     * @param  mixed  $value
-     * @return void
-     */
-    public function setDefaultNamedParameters($key, $value = null)
-    {
-        if (is_array($key)) {
-            foreach ($key as $k => $v) {
-                $this->defaultNamedParameters[$k] = $v;
-            }
-        } else {
-            $this->defaultNamedParameters[$key] = $value;
-        }
-    }
-
     /**
      * Force the schema for URLs.
      *
@@ -438,13 +410,11 @@ protected function replaceRouteParameters($path, array &$parameters)
      */
     protected function replaceNamedParameters($path, &$parameters)
     {
-        $defaultNamedParameters = $this->getDefaultNamedParameters();
-
-        return preg_replace_callback('/\{(.*?)\??\}/', function ($m) use (&$parameters, $defaultNamedParameters) {
+        return preg_replace_callback('/\{(.*?)\??\}/', function ($m) use (&$parameters) {
             if (isset($parameters[$m[1]])) {
                 return Arr::pull($parameters, $m[1]);
-            } elseif (isset($defaultNamedParameters[$m[1]])) {
-                return $defaultNamedParameters[$m[1]];
+            } elseif (isset($this->defaultParameters[$m[1]])) {
+                return $this->defaultParameters[$m[1]];
             } else {
                 return $m[0];
             }
@@ -736,6 +706,19 @@ protected function buildCompleteUrl($root, $path, $tail = '')
         return trim($root.$path, '/');
     }
 
+    /**
+     * Set the default named parameters used by the URL generator.
+     *
+     * @param  array  $defaults
+     * @return void
+     */
+    public function defaults(array $defaults)
+    {
+        $this->defaultParameters = array_merge(
+            $this->defaultParameters, $defaults
+        );
+    }
+
     /**
      * Set a callback to be used to format the host of generated URLs.
      *
diff --git a/tests/Routing/RoutingUrlGeneratorTest.php b/tests/Routing/RoutingUrlGeneratorTest.php
index 9e817bc43bda..881034963576 100755
--- a/tests/Routing/RoutingUrlGeneratorTest.php
+++ b/tests/Routing/RoutingUrlGeneratorTest.php
@@ -124,6 +124,13 @@ public function testBasicRouteGeneration()
         $route = new Route(['GET'], 'foo/invoke', ['controller' => 'InvokableActionStub']);
         $routes->add($route);
 
+        /*
+         * With Default Parameter
+         */
+        $url->defaults(['locale' => 'en']);
+        $route = new Route(['GET'], 'foo', ['as' => 'defaults', 'domain' => '{locale}.example.com', function () {}]);
+        $routes->add($route);
+
         $this->assertEquals('/', $url->route('plain', [], false));
         $this->assertEquals('/?foo=bar', $url->route('plain', ['foo' => 'bar'], false));
         $this->assertEquals('http://www.foo.com/foo/bar', $url->route('foo'));
@@ -143,6 +150,7 @@ public function testBasicRouteGeneration()
         $this->assertEquals('/foo/bar#derp', $url->route('fragment', [], false));
         $this->assertEquals('/foo/bar?foo=bar#derp', $url->route('fragment', ['foo' => 'bar'], false));
         $this->assertEquals('/foo/bar?baz=%C3%A5%CE%B1%D1%84#derp', $url->route('fragment', ['baz' => 'åαф'], false));
+        $this->assertEquals('http://en.example.com/foo', $url->route('defaults'));
     }
 
     public function testFluentRouteNameDefinitions()