diff --git a/system/HTTP/CURLRequest.php b/system/HTTP/CURLRequest.php
index 6d1690bc7614..4c011c985f1d 100644
--- a/system/HTTP/CURLRequest.php
+++ b/system/HTTP/CURLRequest.php
@@ -479,8 +479,8 @@ protected function setResponseHeaders(array $headers = [])
     {
         foreach ($headers as $header) {
             if (($pos = strpos($header, ':')) !== false) {
-                $title = substr($header, 0, $pos);
-                $value = substr($header, $pos + 1);
+                $title = trim(substr($header, 0, $pos));
+                $value = trim(substr($header, $pos + 1));
 
                 $this->response->addHeader($title, $value);
             } elseif (strpos($header, 'HTTP') === 0) {