diff --git a/audio/drivers/coreaudio3.m b/audio/drivers/coreaudio3.m
index 897db2fc10..3b28e5f61d 100644
--- a/audio/drivers/coreaudio3.m
+++ b/audio/drivers/coreaudio3.m
@@ -204,7 +204,7 @@ static bool g_interrupted;
          return nil;
 
       format = au.outputBusses[0].format;
-      if (format.channelCount != 2)
+      if (format.channelCount < 2)
          return nil;
 
       renderFormat = [[AVAudioFormat alloc] initStandardFormatWithSampleRate:rate channels:2];