diff --git a/cmd/client/main.go b/cmd/client/main.go
index bbc1855..d15709c 100644
--- a/cmd/client/main.go
+++ b/cmd/client/main.go
@@ -59,8 +59,8 @@ func main() {
   }
 
   inDeviceConfig := malgo.DefaultDeviceConfig(malgo.Capture)
-	inDeviceConfig.Capture.Format = capture_device.Formats[0].Format
-	inDeviceConfig.Capture.Channels = capture_device.Formats[0].Channels
+	inDeviceConfig.Capture.Format = malgo.FormatF32
+	inDeviceConfig.Capture.Channels = 1
   inDeviceConfig.Capture.DeviceID = capture_device.ID.Pointer()
 	inDeviceConfig.SampleRate = capture_device.Formats[0].SampleRate
   inDeviceConfig.PeriodSizeInFrames = 100
@@ -68,8 +68,8 @@ func main() {
   inDeviceConfig.Capture.ShareMode = malgo.Shared
 
   outDeviceConfig := malgo.DefaultDeviceConfig(malgo.Playback)
-	outDeviceConfig.Playback.Format = playback_device.Formats[0].Format
-	outDeviceConfig.Playback.Channels = playback_device.Formats[0].Channels
+	outDeviceConfig.Playback.Format = malgo.FormatF32
+	outDeviceConfig.Playback.Channels = 1
   outDeviceConfig.Playback.DeviceID = playback_device.ID.Pointer()
 	outDeviceConfig.SampleRate = playback_device.Formats[0].SampleRate
   outDeviceConfig.PeriodSizeInFrames = 100