diff --git a/command/channel_auth.hpp b/command/channel_auth.hpp
index 9f2abe1..b78fdb2 100644
--- a/command/channel_auth.hpp
+++ b/command/channel_auth.hpp
@@ -120,6 +120,6 @@
  */
 std::vector<uint8_t>
     GetChannelCapabilities(const std::vector<uint8_t>& inPayload,
-                           const message::Handler& handler);
+                           std::shared_ptr<message::Handler>& handler);
 
 } // namespace command