diff --git a/src/index.js b/src/index.js
index e0ab2581..d2a828cd 100644
--- a/src/index.js
+++ b/src/index.js
@@ -5,4 +5,9 @@ DatePicker.install = function (Vue) {
   Vue.component(DatePicker.name, DatePicker)
 }
 
+/* istanbul ignore if */
+if (typeof window !== 'undefined' && window.Vue) {
+  DatePicker.install(window.Vue)
+}
+
 export default DatePicker