diff --git a/apps.json b/apps.json
index 42a3ed03d..2e59aae95 100644
--- a/apps.json
+++ b/apps.json
@@ -267,7 +267,7 @@
   { "id": "stetho",
     "name": "Stethoscope",
     "icon": "stetho.png",
-    "version":"0.014",
+    "version":"0.015",
     "description": "Hear your heart rate",
     "tags": "health",
     "storage": [
diff --git a/apps/stetho/stetho.js b/apps/stetho/stetho.js
index 664d320da..a4caa8e71 100644
--- a/apps/stetho/stetho.js
+++ b/apps/stetho/stetho.js
@@ -29,7 +29,7 @@ function readHRM() {
   g.setColor(1,1,1);
   g.lineTo(x,y);
   freq((parseFloat(y) * 1000.0) + 500.0);
-  console.log("frequency ",   (y * 1000.0) + 500.0;
+  console.log("frequency " + (parseFloat(y) * 1000.0) + 500.0);
   ;
   if ((max-min)>0.005) {
     if (4*a > (min+3*max)) { // high