diff --git a/http/http_connection.hpp b/http/http_connection.hpp
index 5001c9e..8f03e3e 100644
--- a/http/http_connection.hpp
+++ b/http/http_connection.hpp
@@ -285,7 +285,8 @@
     void upgradeToHttp2()
     {
         auto http2 = std::make_shared<HTTP2Connection<Adaptor, Handler>>(
-            std::move(adaptor), handler, getCachedDateStr, httpType);
+            std::move(adaptor), handler, getCachedDateStr, httpType,
+            mtlsSession);
         if (http2settings.empty())
         {
             http2->start();