diff --git a/django/contrib/admin/templates/admin/change_form.html b/django/contrib/admin/templates/admin/change_form.html
index 1689c5b48e..8f8dfe6143 100644
--- a/django/contrib/admin/templates/admin/change_form.html
+++ b/django/contrib/admin/templates/admin/change_form.html
@@ -26,8 +26,11 @@
 {% block content %}<div id="content-main">
 {% block object-tools %}
 {% if change %}{% if not is_popup %}
-  <ul class="object-tools"><li><a href="history/" class="historylink">{% trans "History" %}</a></li>
-  {% if has_absolute_url %}<li><a href="../../../r/{{ content_type_id }}/{{ object_id }}/" class="viewsitelink">{% trans "View on site" %}</a></li>{% endif%}
+  <ul class="object-tools">
+    {% block object-tools-items %}
+    <li><a href="history/" class="historylink">{% trans "History" %}</a></li>
+    {% if has_absolute_url %}<li><a href="../../../r/{{ content_type_id }}/{{ object_id }}/" class="viewsitelink">{% trans "View on site" %}</a></li>{% endif%}
+    {% endblock %}
   </ul>
 {% endif %}{% endif %}
 {% endblock %}
diff --git a/django/contrib/admin/templates/admin/change_list.html b/django/contrib/admin/templates/admin/change_list.html
index cb4bae3da8..3dfe4673aa 100644
--- a/django/contrib/admin/templates/admin/change_list.html
+++ b/django/contrib/admin/templates/admin/change_list.html
@@ -58,11 +58,13 @@
     {% block object-tools %}
       {% if has_add_permission %}
         <ul class="object-tools">
-          <li>
-            <a href="add/{% if is_popup %}?_popup=1{% endif %}" class="addlink">
-              {% blocktrans with cl.opts.verbose_name as name %}Add {{ name }}{% endblocktrans %}
-            </a>
-          </li>
+          {% block object-tools-items %}
+            <li>
+              <a href="add/{% if is_popup %}?_popup=1{% endif %}" class="addlink">
+                {% blocktrans with cl.opts.verbose_name as name %}Add {{ name }}{% endblocktrans %}
+              </a>
+            </li>
+          {% endblock %}
         </ul>
       {% endif %}
     {% endblock %}