diff --git a/app/helpers/application_helper.rb b/app/helpers/application_helper.rb
index 4d1acee..4ee7125 100644
--- a/app/helpers/application_helper.rb
+++ b/app/helpers/application_helper.rb
@@ -87,8 +87,8 @@ module ApplicationHelper
 
     name = svg_tag("pictograms/#{image}") + name if image
     html_options[:class] = class_names(html_options[:class], "button", active: current == :active)
-    if html_options[:confirm]
-      html_options[:onclick] = "return confirm('#{html_options.delete(:confirm)}');"
+    if html_options[:onclick]&.is_a? Hash
+      html_options[:onclick] = "return confirm('#{html_options[:onclick][:confirm]}');"
     end
 
     send "#{type}_to", name, options, html_options
diff --git a/app/views/users/registrations/edit.html.erb b/app/views/users/registrations/edit.html.erb
index e9f9bff..0082e45 100644
--- a/app/views/users/registrations/edit.html.erb
+++ b/app/views/users/registrations/edit.html.erb
@@ -4,9 +4,8 @@
       request.referer.present? ? :back : root_url %>
   </div>
   <div class="right">
-    <%# TODO: make confirm dialog work %>
     <%= image_button_to t(".delete"), "account-remove-outline", user_registration_path,
-      class: "dangerous", method: :delete, confirm: t(".confirm_delete") %>
+      class: "dangerous", method: :delete, onclick: {confirm: t(".confirm_delete")} %>
   </div>
 <% end %>