diff --git a/js/bootstrap-inputmask.js b/js/bootstrap-inputmask.js
index 3740af3c..647829cd 100644
--- a/js/bootstrap-inputmask.js
+++ b/js/bootstrap-inputmask.js
@@ -350,7 +350,7 @@
   * ================== */
 
   $(function () {
-    $('body').on('focus.inputmask.data-api', '[data-mask]', function (e) {
+    $(document).on('focus.inputmask.data-api', '[data-mask]', function (e) {
       var $this = $(this)
       if ($this.data('inputmask')) return
       e.preventDefault()
@@ -358,4 +358,4 @@
     })
   })
 
-}(window.jQuery);
\ No newline at end of file
+}(window.jQuery);