diff --git a/lib/issues_form_hook_listener.rb b/lib/issues_form_hook_listener.rb
index 3abe1f2..95b6653 100644
--- a/lib/issues_form_hook_listener.rb
+++ b/lib/issues_form_hook_listener.rb
@@ -40,11 +40,11 @@ class IssuesFormHookListener < Redmine::Hook::ViewListener
       autocomplete_customer_name_customers_path,
       :selected => selected_customer,
       :update_elements => { :id => '#issue_customer_id', :value => '#issue_customer' }
-    #,
-    #  :onchange => "updateIssueFrom('#{escape_javascript update_issue_form_path(@project, @issue)}', this)"
 
-    customer_id = f.hidden_field :customer_id, :id => "issue_customer_id"
-    
+    customer_id = f.hidden_field :customer_id,
+      :id => "issue_customer_id",
+      :onchange => "updateIssueFrom('/issues/#{context[:issue].id}/edit.js', this)"
+
     if context[:issue].customer
       if customer.vehicles
         vehicles = customer.vehicles.pluck(:name, :id)