diff --git a/js/modal.js b/js/modal.js
index 88bc1cb804..50ebd7b56e 100644
--- a/js/modal.js
+++ b/js/modal.js
@@ -238,7 +238,7 @@
     })
 
     var $body = $(document.body)
-      .on('bs.modal.shown',  '.modal', function () { $body.addClass('modal-open') })
-      .on('bs.modal.hidden', '.modal', function () { $body.removeClass('modal-open') })
+      .on('shown.bs.modal',  '.modal', function () { $body.addClass('modal-open') })
+      .on('hidden.bs.modal', '.modal', function () { $body.removeClass('modal-open') })
 
 }(window.jQuery);