diff --git a/command/rakp34.cpp b/command/rakp34.cpp
index bee475d..626bc15 100644
--- a/command/rakp34.cpp
+++ b/command/rakp34.cpp
@@ -66,7 +66,7 @@
 }
 
 std::vector<uint8_t> RAKP34(const std::vector<uint8_t>& inPayload,
-                            std::shared_ptr<message::Handler>& handler)
+                            std::shared_ptr<message::Handler>& /* handler */)
 {
     std::vector<uint8_t> outPayload(sizeof(RAKP4response));
     auto request = reinterpret_cast<const RAKP3request*>(inPayload.data());