diff --git a/Bridges/HttpKernel.php b/Bridges/HttpKernel.php
index 40c7c23..d5d5bbc 100644
--- a/Bridges/HttpKernel.php
+++ b/Bridges/HttpKernel.php
@@ -277,7 +277,7 @@ protected function mapResponse(SymfonyResponse $syResponse, $stdout='')
 
         if (isset($nativeHeaders['Set-Cookie'])) {
             $headers['Set-Cookie'] = array_merge((array)$nativeHeaders['Set-Cookie'], $cookies);
-        } else {
+        } elseif ($cookies) {
             $headers['Set-Cookie'] = $cookies;
         }