diff --git a/cmd/client/main.go b/cmd/client/main.go
index ba10f55..bbc1855 100644
--- a/cmd/client/main.go
+++ b/cmd/client/main.go
@@ -83,6 +83,7 @@ func main() {
     select {
     case data := <- speaker:
       copy(output_samples, data)
+    default:
     }
   }