diff --git a/base/QtMain.cpp b/base/QtMain.cpp
index fc29b26fba..3b475bd1b2 100644
--- a/base/QtMain.cpp
+++ b/base/QtMain.cpp
@@ -162,21 +162,12 @@ static int mainInternal(QApplication &a)
 			SDL_CloseAudio();
 		}
 	}
-
-	// Audio must be unpaused _after_ NativeInit()
 	SDL_PauseAudio(0);
 #else
-	QScopedPointer<QThread> thread(new QThread);
 	QScopedPointer<MainAudio> audio(new MainAudio());
-	audio->moveToThread(thread.data());
-	QObject::connect(thread.data(), SIGNAL(started()), audio.data(), SLOT(run()));
-	thread->start();
+	audio->run();
 #endif
-	int ret = a.exec();
-#ifndef QT_HAS_SDL
-	thread->terminate();
-#endif
-	return ret;
+	return a.exec();
 }
 
 #ifndef QT_HAS_SDL
diff --git a/base/QtMain.h b/base/QtMain.h
index 3ded3ddbc1..85685a4a50 100644
--- a/base/QtMain.h
+++ b/base/QtMain.h
@@ -269,19 +269,19 @@ public slots:
 		fmt.setSampleSize(AUDIO_SAMPLESIZE);
 		fmt.setByteOrder(QAudioFormat::LittleEndian);
 		fmt.setSampleType(QAudioFormat::SignedInt);
-		mixlen = 5*2*AUDIO_CHANNELS*AUDIO_SAMPLES;
+		mixlen = 2*AUDIO_CHANNELS*AUDIO_SAMPLES;
 		mixbuf = (char*)malloc(mixlen);
 		output = new QAudioOutput(fmt);
 		output->setBufferSize(mixlen);
 		feed = output->start();
 		if (feed != NULL)
-			timer = startTimer(1000*AUDIO_SAMPLES / AUDIO_FREQ);
+			timer = startTimer((1000*AUDIO_SAMPLES) / AUDIO_FREQ);
 	}
 
 protected:
 	void timerEvent(QTimerEvent *) {
 		memset(mixbuf, 0, mixlen);
-		size_t frames = NativeMix((short *)mixbuf, 5*AUDIO_SAMPLES);
+		size_t frames = NativeMix((short *)mixbuf, AUDIO_SAMPLES);
 		if (frames > 0)
 			feed->write(mixbuf, sizeof(short) * 2 * frames);
 	}