diff --git a/apps/stetho/stetho.js b/apps/stetho/stetho.js
index c3c9ccff9..ec7d4542d 100644
--- a/apps/stetho/stetho.js
+++ b/apps/stetho/stetho.js
@@ -13,12 +13,13 @@ function freq(f) {
   if (f===0) digitalWrite(SPEAKER_PIN, 0);
    else analogWrite(SPEAKER_PIN, 0.5, {freq: f});
  }
- freq(1000);
+ 
+
+
+function readHRM() {
+  freq(1000);
  freq(1500);
  freq(0);
-
- 
-function readHRM() {
   var a = analogRead(D29);
   var h = getTime();
   min=Math.min(min*0.97+a*0.03,a);