diff --git a/app/assets/javascripts/cocoon.js b/app/assets/javascripts/cocoon.js
index 6f5add3..fbb2e49 100644
--- a/app/assets/javascripts/cocoon.js
+++ b/app/assets/javascripts/cocoon.js
@@ -1,4 +1,4 @@
-$(document).ready(function() {
+(function($) {
 
   function replace_in_content(content, regexp_str, with_str) {
     reg_exp = new RegExp(regexp_str);
@@ -58,4 +58,4 @@ $(document).ready(function() {
     $(this).closest(".nested-fields").hide();
   });
 
-});
\ No newline at end of file
+})(jQuery);
\ No newline at end of file