diff --git a/lib/generators/nested_form/templates/jquery_nested_form.js b/lib/generators/nested_form/templates/jquery_nested_form.js
index 669fabf9..ba559f8f 100644
--- a/lib/generators/nested_form/templates/jquery_nested_form.js
+++ b/lib/generators/nested_form/templates/jquery_nested_form.js
@@ -13,7 +13,7 @@ jQuery(function($) {
     // or for an edit form:
     // project[tasks_attributes][0][assignments_attributes][1]
     if(context) {
-      var parent_names = context.match(/[a-z_]+_attributes/g) || [];
+      var parent_names = context.match(/[a-z_]+_attributes(?=\]\[(new_)?\d+\])/g) || [];
       var parent_ids   = context.match(/(new_)?[0-9]+/g) || [];
 
       for(var i = 0; i < parent_names.length; i++) {