diff --git a/apps/calculator/app.js b/apps/calculator/app.js
index 40953254e..c93b36e43 100644
--- a/apps/calculator/app.js
+++ b/apps/calculator/app.js
@@ -402,6 +402,7 @@ if (process.env.HWVERSION==1) {
   swipeEnabled = false;
   drawGlobal();
 } else { // touchscreen?
+  setWatch(load, BTN1, {edge:"falling"}); // Exit with a short press to physical button
   selected = "NONE";
   swipeEnabled = true;
   prepareScreen(numbers, numbersGrid, COLORS.DEFAULT);
@@ -440,5 +441,4 @@ if (process.env.HWVERSION==1) {
   });
 }
 
-
 displayOutput(0);