diff --git a/src/DatePicker/createCalendar.js b/src/DatePicker/createCalendar.js
index 8f72f9ef..9f8b7f9c 100644
--- a/src/DatePicker/createCalendar.js
+++ b/src/DatePicker/createCalendar.js
@@ -1,7 +1,7 @@
 import flatpickr from "flatpickr";
 import rangePlugin from "flatpickr/dist/plugins/rangePlugin";
 
-var l10n
+let l10n
 
 function updateClasses(instance) {
   const {