diff --git a/command/rakp12.hpp b/command/rakp12.hpp
index c19853f..bf6d4c5 100644
--- a/command/rakp12.hpp
+++ b/command/rakp12.hpp
@@ -73,6 +73,6 @@
  * @return Response data for the command
  */
 std::vector<uint8_t> RAKP12(const std::vector<uint8_t>& inPayload,
-                            const message::Handler& handler);
+                            std::shared_ptr<message::Handler>& handler);
 
 } // namespace command