diff --git a/js/menu.js b/js/menu.js
index c739e499..e1eb0e84 100644
--- a/js/menu.js
+++ b/js/menu.js
@@ -324,8 +324,8 @@ Menu.prototype.documentKeydown = function (e) {
   e.stopPropagation();
   if (e.keyCode === 80) {
     this.togglePinEntry();
-  } else if (e.keyCode > 48 && e.keyCode < 58) {
-    this.selectPin(e.keyCode - 49);
+  } else if (e.keyCode >= 48 && e.keyCode < 58) {
+    this.selectPin((e.keyCode - 9) % 10);
   }
 };