diff --git a/src/Curl/Curl.php b/src/Curl/Curl.php
index c3612ca..038a94a 100644
--- a/src/Curl/Curl.php
+++ b/src/Curl/Curl.php
@@ -442,7 +442,6 @@ class Curl
             $url = $this->baseUrl;
         }
         $this->setURL($url);
-        $this->unsetHeader('Content-Length');
         $this->setOpt(CURLOPT_CUSTOMREQUEST, 'PATCH');
         $this->setOpt(CURLOPT_POSTFIELDS, $this->buildPostData($data));
         return $this->exec();