diff --git a/webrtc/modules/audio_device/dummy/audio_device_dummy.cc b/webrtc/modules/audio_device/dummy/audio_device_dummy.cc
index 4961937869..558bd1b436 100644
--- a/webrtc/modules/audio_device/dummy/audio_device_dummy.cc
+++ b/webrtc/modules/audio_device/dummy/audio_device_dummy.cc
@@ -69,13 +69,13 @@ bool AudioDeviceDummy::RecordingIsInitialized() const { return false; }
 
 int32_t AudioDeviceDummy::StartPlayout() { return -1; }
 
-int32_t AudioDeviceDummy::StopPlayout() { return -1; }
+int32_t AudioDeviceDummy::StopPlayout() { return 0; }
 
 bool AudioDeviceDummy::Playing() const { return false; }
 
 int32_t AudioDeviceDummy::StartRecording() { return -1; }
 
-int32_t AudioDeviceDummy::StopRecording() { return -1; }
+int32_t AudioDeviceDummy::StopRecording() { return 0; }
 
 bool AudioDeviceDummy::Recording() const { return false; }