diff --git a/js/bootstrap-timepicker.js b/js/bootstrap-timepicker.js
index bbb923c5..7355f970 100644
--- a/js/bootstrap-timepicker.js
+++ b/js/bootstrap-timepicker.js
@@ -1109,7 +1109,7 @@
     },
 
     widgetKeyup: function(e) {
-      if ((e.which === 65) || (e.which === 77) || (e.which === 80) || (e.which === 46) || (e.which === 8) || (e.which >= 48 && e.which <= 57) || (e.which >= 96 && e.which <= 105)) {
+      if ((e.which === 65) || (e.which === 77) || (e.which === 80) || (e.which === 46) || (e.which === 8) || (e.which >= 48 && e.which <= 57) || (e.which >= 96 && e.which <= 105) || (e.which === 229)) {
         this.updateFromWidgetInputs();
       }
     }