diff --git a/MumbleCommunicator.cpp b/MumbleCommunicator.cpp
index 07d15ed..a1209c2 100644
--- a/MumbleCommunicator.cpp
+++ b/MumbleCommunicator.cpp
@@ -10,8 +10,11 @@ namespace mumble {
         MumbleCommunicator *communicator;
 
         virtual void audio(
+                int target,
+                int sessionId,
+                int sequenceNumber,
                 int16_t *pcm_data,
-                uint32_t pcm_data_size) {
+                uint32_t pcm_data_size) override {
             communicator->onIncomingPcmSamples(pcm_data, pcm_data_size);
         }
     };
diff --git a/MumbleCommunicator.hpp b/MumbleCommunicator.hpp
index 7065f4b..68c466c 100644
--- a/MumbleCommunicator.hpp
+++ b/MumbleCommunicator.hpp
@@ -32,7 +32,7 @@ namespace mumble {
 
         ~MumbleCommunicator();
 
-        virtual void sendPcmSamples(int16_t *samples, unsigned int length);
+        virtual void sendPcmSamples(int16_t *samples, unsigned int length) override;
 
         void sendTextMessage(std::string message);
 
diff --git a/PjsuaCommunicator.cpp b/PjsuaCommunicator.cpp
index ca50206..65df7e3 100644
--- a/PjsuaCommunicator.cpp
+++ b/PjsuaCommunicator.cpp
@@ -16,7 +16,7 @@ namespace sip {
         _LogWriter(Category &logger)
                 : logger(logger) { }
 
-        virtual void write(const pj::LogEntry &entry) {
+        virtual void write(const pj::LogEntry &entry) override {
 
             auto message = entry.msg.substr(0, entry.msg.size() - 1); // remove newline
 
@@ -93,11 +93,11 @@ namespace sip {
                   communicator(comm),
                   account(acc) { }
 
-        virtual void onCallState(pj::OnCallStateParam &prm);
+        virtual void onCallState(pj::OnCallStateParam &prm) override;
 
-        virtual void onCallMediaState(pj::OnCallMediaStateParam &prm);
+        virtual void onCallMediaState(pj::OnCallMediaStateParam &prm) override;
 
-        virtual void onDtmfDigit(pj::OnDtmfDigitParam &prm);
+        virtual void onDtmfDigit(pj::OnDtmfDigitParam &prm) override;
 
     private:
         sip::PjsuaCommunicator &communicator;
@@ -109,9 +109,9 @@ namespace sip {
         _Account(sip::PjsuaCommunicator &comm)
                 : communicator(comm) { }
 
-        virtual void onRegState(pj::OnRegStateParam &prm);
+        virtual void onRegState(pj::OnRegStateParam &prm) override;
 
-        virtual void onIncomingCall(pj::OnIncomingCallParam &iprm);
+        virtual void onIncomingCall(pj::OnIncomingCallParam &iprm) override;
 
     private:
         sip::PjsuaCommunicator &communicator;
@@ -328,4 +328,3 @@ void sip::PjsuaCommunicator::sendPcmSamples(int16_t *samples, unsigned int lengt
     pjsuaLogger.debug("Pushing %d samples to in-buff.", length);
     pjmedia_circ_buf_write(inputBuff, samples, length);
 }
-
diff --git a/PjsuaCommunicator.hpp b/PjsuaCommunicator.hpp
index 133d23f..a3f60c7 100644
--- a/PjsuaCommunicator.hpp
+++ b/PjsuaCommunicator.hpp
@@ -39,7 +39,7 @@ namespace sip {
             mesg += errorMsgBuffer;
         }
 
-        virtual const char *what() const throw() {
+        virtual const char *what() const throw() override {
             return mesg.c_str();
         }
 
@@ -67,7 +67,7 @@ namespace sip {
 
         ~PjsuaCommunicator();
 
-        virtual void sendPcmSamples(int16_t *samples, unsigned int length);
+        virtual void sendPcmSamples(int16_t *samples, unsigned int length) override;
 
         std::function<void(std::string)> onStateChange;