diff --git a/main.go b/main.go
index 2e0384b..a7a1416 100644
--- a/main.go
+++ b/main.go
@@ -25,7 +25,7 @@ func main() {
 
 	go func() {
 		for {
-			cmd := exec.Command("espeak", "-z", "-m")
+			cmd := exec.Command("espeak", "-z", "-m", "-s", "190")
 			if in, err := cmd.StdinPipe(); err != nil {
 				log.Fatal("Unable to create pipe to espeak:", err)
 			} else {