diff --git a/Telegram/ThirdParty/libtgvoip/os/linux/AudioInputALSA.cpp b/Telegram/ThirdParty/libtgvoip/os/linux/AudioInputALSA.cpp
index 027ba155d..aa0e06aca 100644
--- a/Telegram/ThirdParty/libtgvoip/os/linux/AudioInputALSA.cpp
+++ b/Telegram/ThirdParty/libtgvoip/os/linux/AudioInputALSA.cpp
@@ -71,6 +71,7 @@ void AudioInputALSA::Stop(){
 
 void* AudioInputALSA::StartThread(void* arg){
 	((AudioInputALSA*)arg)->RunThread();
+	return nullptr;
 }
 
 void AudioInputALSA::RunThread(){
@@ -176,4 +177,4 @@ void AudioInputALSA::EnumerateDevices(std::vector<AudioInputDevice>& devs){
 	}
 
 	dlclose(lib);
-}
\ No newline at end of file
+}
diff --git a/Telegram/ThirdParty/libtgvoip/os/linux/AudioOutputALSA.cpp b/Telegram/ThirdParty/libtgvoip/os/linux/AudioOutputALSA.cpp
index bad556179..8717358e4 100644
--- a/Telegram/ThirdParty/libtgvoip/os/linux/AudioOutputALSA.cpp
+++ b/Telegram/ThirdParty/libtgvoip/os/linux/AudioOutputALSA.cpp
@@ -74,6 +74,7 @@ bool AudioOutputALSA::IsPlaying(){
 
 void* AudioOutputALSA::StartThread(void* arg){
 	((AudioOutputALSA*)arg)->RunThread();
+	return nullptr;
 }
 
 void AudioOutputALSA::RunThread(){
@@ -179,4 +180,4 @@ void AudioOutputALSA::EnumerateDevices(std::vector<AudioOutputDevice>& devs){
 	}
 
 	dlclose(lib);
-}
\ No newline at end of file
+}