diff --git a/Telegram/SourceFiles/audio.cpp b/Telegram/SourceFiles/audio.cpp
index 3cf568e52..8afedfb91 100644
--- a/Telegram/SourceFiles/audio.cpp
+++ b/Telegram/SourceFiles/audio.cpp
@@ -450,7 +450,7 @@ AudioCapture *audioCapture() {
 	return capture;
 }
 
-AudioPlayerFader::AudioPlayerFader(QThread *thread) : _timer(this), _suspendFlag(false) {
+AudioPlayerFader::AudioPlayerFader(QThread *thread) : _timer(this), _suspendFlag(false), _suspended(true) {
 	moveToThread(thread);
 	_timer.moveToThread(thread);
 	_suspendTimer.moveToThread(thread);
@@ -570,6 +570,7 @@ void AudioPlayerFader::onTimer() {
 void AudioPlayerFader::onSuspendTimer() {
 	QMutexLocker lock(&_suspendMutex);
 	if (_suspendFlag) {
+		_suspended = true;
 		alcSuspendContext(audioContext);
 	}
 }
@@ -582,7 +583,10 @@ void AudioPlayerFader::processContext() {
 	QMutexLocker lock(&_suspendMutex);
 	_suspendFlag = false;
 	emit stopSuspend();
-	alcProcessContext(audioContext);
+	if (_suspended) {
+		_suspended = false;
+		alcProcessContext(audioContext);
+	}
 }
 
 class AudioPlayerLoader {
diff --git a/Telegram/SourceFiles/audio.h b/Telegram/SourceFiles/audio.h
index ed9de8105..7d830eb63 100644
--- a/Telegram/SourceFiles/audio.h
+++ b/Telegram/SourceFiles/audio.h
@@ -172,7 +172,7 @@ private:
 
 	QTimer _timer, _suspendTimer;
 	QMutex _suspendMutex;
-	bool _suspendFlag;
+	bool _suspendFlag, _suspended;
 
 };
 
diff --git a/Telegram/Telegram.plist b/Telegram/Telegram.plist
index 2f82bdeb6..9c7aabc3a 100644
--- a/Telegram/Telegram.plist
+++ b/Telegram/Telegram.plist
@@ -12,6 +12,8 @@
 	<string>APPL</string>
 	<key>CFBundleShortVersionString</key>
 	<string>0.8.21</string>
+        <key>LSMinimumSystemVersion</key>
+        <string>$(MACOSX_DEPLOYMENT_TARGET)</string>
 	<key>CFBundleSignature</key>
 	<string>????</string>
 	<key>CFBundleURLTypes</key>