diff --git a/composer.json b/composer.json
index 8ec7687e..bb82c008 100644
--- a/composer.json
+++ b/composer.json
@@ -39,8 +39,8 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.4-dev",
-            "dev-develop": "2.5-dev"
+            "dev-master": "2.1-dev",
+            "dev-develop": "2.2-dev"
         }
     },
     "autoload-dev": {
diff --git a/src/PubSubHubbub/AbstractCallback.php b/src/PubSubHubbub/AbstractCallback.php
index f54f0f48..cc408e56 100644
--- a/src/PubSubHubbub/AbstractCallback.php
+++ b/src/PubSubHubbub/AbstractCallback.php
@@ -199,7 +199,9 @@ public function getSubscriberCount()
     protected function _detectCallbackUrl()
     {
         $callbackUrl = '';
-        if (isset($_SERVER['HTTP_X_REWRITE_URL'])) {
+        if (isset($_SERVER['HTTP_X_ORIGINAL_URL'])) {
+            $callbackUrl = $_SERVER['HTTP_X_ORIGINAL_URL'];
+        } elseif (isset($_SERVER['HTTP_X_REWRITE_URL'])) {
             $callbackUrl = $_SERVER['HTTP_X_REWRITE_URL'];
         } elseif (isset($_SERVER['REQUEST_URI'])) {
             $callbackUrl = $_SERVER['REQUEST_URI'];
diff --git a/src/Writer/Entry.php b/src/Writer/Entry.php
index 1df24456..ea62bddf 100644
--- a/src/Writer/Entry.php
+++ b/src/Writer/Entry.php
@@ -177,7 +177,7 @@ public function setContent($content)
     /**
      * Set the feed creation date
      *
-     * @param string|null|DateTime $date
+     * @param null|integer|DateTime $date
      * @throws Exception\InvalidArgumentException
      * @return Entry
      */
@@ -198,7 +198,7 @@ public function setDateCreated($date = null)
     /**
      * Set the feed modification date
      *
-     * @param string|null|DateTime $date
+     * @param null|integer|DateTime $date
      * @throws Exception\InvalidArgumentException
      * @return Entry
      */