diff --git a/command/open_session.hpp b/command/open_session.hpp
index 700c784..e119dbc 100644
--- a/command/open_session.hpp
+++ b/command/open_session.hpp
@@ -175,6 +175,6 @@
  * @return Response data for the command
  */
 std::vector<uint8_t> openSession(const std::vector<uint8_t>& inPayload,
-                                 const message::Handler& handler);
+                                 std::shared_ptr<message::Handler>& handler);
 
 } // namespace command