diff --git a/include/mumlib.hpp b/include/mumlib.hpp
index 992321c..5df4f50 100644
--- a/include/mumlib.hpp
+++ b/include/mumlib.hpp
@@ -41,7 +41,7 @@ namespace mumlib {
 
         void sendTextMessage(std::string message);
 
-        void joinChannel(int channel_id);
+        void joinChannel(int channelId);
 
     private:
         _Mumlib_Private *impl;
diff --git a/include/mumlib/Callback.hpp b/include/mumlib/Callback.hpp
index 7ff4aa6..a11b7b4 100644
--- a/include/mumlib/Callback.hpp
+++ b/include/mumlib/Callback.hpp
@@ -179,7 +179,7 @@ namespace mumlib {
                 string welcome_text,
                 int32_t session,
                 int32_t max_bandwidth,
-                int64_t permissions);
+                int64_t permissions) override;
 
         virtual void channelRemove(uint32_t channel_id) override;
 
diff --git a/src/mumlib.cpp b/src/mumlib.cpp
index 3465d6d..10609cb 100644
--- a/src/mumlib.cpp
+++ b/src/mumlib.cpp
@@ -379,9 +379,10 @@ namespace mumlib {
         impl->transport.sendControlMessage(MessageType::TEXTMESSAGE, textMessage);
     }
 
-    void Mumlib::joinChannel(int channel_id) {
+    void Mumlib::joinChannel(int channelId) {
         MumbleProto::UserState userState;
-        userState.set_channel_id(channel_id);
+        userState.set_channel_id(channelId);
         impl->transport.sendControlMessage(MessageType::USERSTATE, userState);
+        impl->channelId = channelId;
     }
 }