diff --git a/apps/hidcam/app.js b/apps/hidcam/app.js
index c5b58ced7..639018db3 100644
--- a/apps/hidcam/app.js
+++ b/apps/hidcam/app.js
@@ -70,7 +70,7 @@ function drawApp() {
                    setTimeout(drawApp, 1000);
                    camShot(() => {});
                  }, BTN, { edge:"falling",repeat:true,debounce:50});
-				 Bangle.on('touch', function (wat, tap) {
+                 Bangle.on('touch', function (wat, tap) {
                       E.showMessage('camShot !');
                    Bangle.buzz(300, 1);
                    setTimeout(drawApp, 1000);