diff --git a/command/channel_auth.cpp b/command/channel_auth.cpp
index e9a91e6..c6e68be 100644
--- a/command/channel_auth.cpp
+++ b/command/channel_auth.cpp
@@ -7,8 +7,8 @@
 namespace command
 {
 
-std::vector<uint8_t> GetChannelCapabilities(std::vector<uint8_t>& inPayload,
-                                            const message::Handler& handler)
+std::vector<uint8_t> GetChannelCapabilities(
+        const std::vector<uint8_t>& inPayload, const message::Handler& handler)
 {
     std::cout << ">> GetChannelCapabilities\n";