diff --git a/django/contrib/admin/templates/admin/change_form.html b/django/contrib/admin/templates/admin/change_form.html
index e61eb5513b..b1fdc5ebdb 100644
--- a/django/contrib/admin/templates/admin/change_form.html
+++ b/django/contrib/admin/templates/admin/change_form.html
@@ -21,7 +21,7 @@
   {% if has_absolute_url %}<li><a href="../../../r/{{ content_type_id }}/{{ object_id }}/" class="viewsitelink">{% trans "View on site" %}</a></li>{% endif%}
   </ul>
 {% endif %}{% endif %}
-<form {% if has_file_field %}enctype="multipart/form-data" {% endif %}action="{{ form_url }}" method="post">{% block form_top %}{% endblock %}
+<form {% if has_file_field %}enctype="multipart/form-data" {% endif %}action="{{ form_url }}" method="post" id="{{ opts.module_name }}_form">{% block form_top %}{% endblock %}
 <div>
 {% if is_popup %}<input type="hidden" name="_popup" value="1" />{% endif %}
 {% if opts.admin.save_on_top %}{% submit_row %}{% endif %}