diff --git a/modules/buzz_menu.js b/modules/buzz_menu.js
index 64b225343..0b399355c 100644
--- a/modules/buzz_menu.js
+++ b/modules/buzz_menu.js
@@ -4,7 +4,7 @@ exports.pattern = function(value, callback) {
   var vibPatterns = ["", ".", "..", "-", "--", "-.-", "---"];
   return {
     value: Math.max(0,vibPatterns.indexOf(value)),
-    min: 0, max: vibPatterns.length,
+    min: 0, max: vibPatterns.length-1,
     format: v => vibPatterns[v]||/*LANG*/"Off",
     onchange: v => {
       callback(vibPatterns[v]);