diff --git a/ckanext/d4science_theme/templates/package/read_base.html b/ckanext/d4science_theme/templates/package/read_base.html
index 4b650c3..b2b8b1f 100644
--- a/ckanext/d4science_theme/templates/package/read_base.html
+++ b/ckanext/d4science_theme/templates/package/read_base.html
@@ -36,27 +36,18 @@ if(window.addEventListener){
 </script>
   {% if h.check_access('package_update', {'id':pkg.id }) %}
   {# CODE ADDED BY Francesco Mangiacrapa #}
+    {# see ticket #26641 - ONLY THE SYSADMINS see the Manage button #}
+    {% set is_sys_admin = true if (c.userobj and c.userobj.sysadmin) else false %}
     {% set hide = h.get_cookie_value('ckan_hide_header') %}
     {# INTO PORTAL - FROM D4SCIENCE PORTAL #}
     {% if hide and hide == 'true' %}
-       {% set username_id = c.userobj.id %}
-       {% set pkg_creator_user_id = pkg.creator_user_id %}
-       {% set role_for_user = h.d4science_theme_get_user_role_for_group_or_org(pkg.organization.id, username_id) %}
-       {% if role_for_user %}
-           {% if role_for_user == 'admin' %}
-              {% link_for _('Manage'), controller='package', action='edit', id=pkg.name, class_='btn', icon='wrench' %}
-           {% else %}
-              {% if role_for_user == 'editor' %}
-              {# IF THE USER HAS ROLE EDITOR HE/SHE CAN EDIT ONLY ITS DATASET, see related ticket #5119 #}
-                 {% if username_id == pkg_creator_user_id %}
-                    {% link_for _('Manage'), controller='package', action='edit', id=pkg.name, class_='btn', icon='wrench' %}
-                 {% endif %}
-              {% endif %}
-              {# NOT SHOW 'Manage' #}
-          {% endif %}
+       {% if is_sys_admin %}
+          {% link_for _('Manage'), controller='package', action='edit', id=pkg.name, class_='btn', icon='wrench' %}
        {% endif %}
    {% else %}
-      {% link_for _('Manage'), controller='package', action='edit', id=pkg.name, class_='btn', icon='wrench' %}
+   	   {% if is_sys_admin %}
+          {% link_for _('Manage'), controller='package', action='edit', id=pkg.name, class_='btn', icon='wrench' %}
+       {% endif %}
    {% endif %}
  {% endif %}
 {% endblock %}