diff --git a/src/Facebook/Authentication/OAuth2Client.php b/src/Facebook/Authentication/OAuth2Client.php
index 94df9b7b5..e4099d4d2 100644
--- a/src/Facebook/Authentication/OAuth2Client.php
+++ b/src/Facebook/Authentication/OAuth2Client.php
@@ -41,7 +41,7 @@ class OAuth2Client
     /**
      * @const string The base authorization URL.
      */
-    const BASE_AUTHORIZATION_URL = 'https://www.facebook.com';
+    const BASE_AUTHORIZATION_URL = 'https://facebook.com';
 
     /**
      * The FacebookApp entity.