diff --git a/plugins/mac-capture/mac-audio.c b/plugins/mac-capture/mac-audio.c
index 56bf557ccd05701bfc9db9382a60f78aee926415..368480841367842911e85dbf163a8d90559d5ab3 100644
--- a/plugins/mac-capture/mac-audio.c
+++ b/plugins/mac-capture/mac-audio.c
@@ -205,6 +205,14 @@ static bool coreaudio_init_format(struct coreaudio_data *ca)
 	AudioStreamBasicDescription desc;
 	OSStatus stat;
 	UInt32 size = sizeof(desc);
+	struct obs_audio_info aoi;
+	int channels;
+
+	if (!obs_get_audio_info(&aoi)) {
+		blog(LOG_WARNING, "No active audio");
+		return false;
+	}
+	channels = get_audio_channels(aoi.speakers);
 
 	stat = get_property(ca->unit, kAudioUnitProperty_StreamFormat,
 			SCOPE_INPUT, BUS_INPUT, &desc, &size);
@@ -213,13 +221,13 @@ static bool coreaudio_init_format(struct coreaudio_data *ca)
 
 	/* Certain types of devices have no limit on channel count, and
 	 * there's no way to know the actual number of channels it's using,
-	 * so if we encounter this situation just force to stereo */
-        if (desc.mChannelsPerFrame > 8) {
-                desc.mChannelsPerFrame = 2;
-                desc.mBytesPerFrame = 2 * desc.mBitsPerChannel / 8;
-                desc.mBytesPerPacket =
-                        desc.mFramesPerPacket * desc.mBytesPerFrame;
-        }
+	 * so if we encounter this situation just force to what is defined in output */
+	if (desc.mChannelsPerFrame > 8) {
+		desc.mChannelsPerFrame = channels;
+		desc.mBytesPerFrame = channels * desc.mBitsPerChannel / 8;
+		desc.mBytesPerPacket =
+				desc.mFramesPerPacket * desc.mBytesPerFrame;
+	}
 
 	stat = set_property(ca->unit, kAudioUnitProperty_StreamFormat,
 			SCOPE_OUTPUT, BUS_INPUT, &desc, size);