diff --git a/data/etc/apache2/conf-available/ikiwiki-plinth.conf b/data/etc/apache2/conf-available/ikiwiki-plinth.conf
index b008dfde5..70150dc0f 100644
--- a/data/etc/apache2/conf-available/ikiwiki-plinth.conf
+++ b/data/etc/apache2/conf-available/ikiwiki-plinth.conf
@@ -13,6 +13,8 @@ AddHandler cgi-script .cgi
     AuthName "FreedomBox Login"
     AuthBasicProvider ldap
     AuthLDAPUrl "ldap:///ou=users,dc=thisbox?uid"
+    AuthLDAPGroupAttribute memberUid
+    AuthLDAPGroupAttributeIsDN off
     Require ldap-group cn=admin,ou=groups,dc=thisbox
     Require ldap-group cn=wiki,ou=groups,dc=thisbox
 </Location>