diff --git a/src/Adyen/HttpClient/CurlClient.php b/src/Adyen/HttpClient/CurlClient.php
index c6deab363..b64e7d248 100644
--- a/src/Adyen/HttpClient/CurlClient.php
+++ b/src/Adyen/HttpClient/CurlClient.php
@@ -129,6 +129,8 @@ public function requestPost(\Adyen\Service $service, $requestUrl, $params)
             'User-Agent: ' . $userAgent
         );
 
+        curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
+
         // return the result
         curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
 
@@ -144,7 +146,6 @@ public function requestPost(\Adyen\Service $service, $requestUrl, $params)
         } elseif (!$result) {
             $errno = curl_errno($ch);
             $message = curl_error($ch);
-            $httpStatus = curl_getinfo($ch, CURLINFO_HTTP_CODE);
 
             curl_close($ch);
             $this->handleCurlError($requestUrl, $errno, $message, $logger);
@@ -179,7 +180,7 @@ public function requestPost(\Adyen\Service $service, $requestUrl, $params)
      * @param $errno
      * @param $message
      * @param $logger
-     * @throws \Adyen\AdyenException
+     * @throws \Adyen\ConnectionException
      */
     protected function handleCurlError($url, $errno, $message, $logger)
     {
@@ -247,4 +248,4 @@ private function logRequest(\Psr\Log\LoggerInterface $logger, $requestUrl, $para
         }
         $logger->info('JSON Request to Adyen:' . json_encode($params));
     }
-}
\ No newline at end of file
+}