diff --git a/device/alsa/alsa.go b/device/alsa/alsa.go
index b17a5031..fddbce82 100644
--- a/device/alsa/alsa.go
+++ b/device/alsa/alsa.go
@@ -170,7 +170,7 @@ func (d *ALSA) Setup(c config.Config) error {
 	}
 
 	// Create ring buffer with appropriate chunk size.
-	cs := pcm.DataSize(d.SampleRate, d.Channels, d.BitDepth, d.RecPeriod, 0)
+	cs := pcm.DataSize(d.SampleRate, d.Channels, d.BitDepth, d.RecPeriod, d.Codec)
 	d.rb = ring.NewBuffer(rbLen, cs, rbTimeout)
 
 	// Start device in paused mode.