diff --git a/lib/Cake/Network/CakeRequest.php b/lib/Cake/Network/CakeRequest.php
index 8bd2b3c5074..4b266cb8319 100644
--- a/lib/Cake/Network/CakeRequest.php
+++ b/lib/Cake/Network/CakeRequest.php
@@ -1124,6 +1124,9 @@ public function offsetSet($name, $value) {
  * @return bool
  */
 	public function offsetExists($name) {
+		if ($name === 'url' || $name === 'data') {
+			return true;
+		}
 		return isset($this->params[$name]);
 	}