--- a/src/pyams_ldap/zmi/plugin.py	Sat Jan 27 00:41:02 2018 +0100
+++ b/src/pyams_ldap/zmi/plugin.py	Sun Mar 11 11:00:19 2018 +0100
@@ -384,6 +384,7 @@
     def legend(self):
         return self.request.localizer.translate(_("Display LDAP entry: {dn}")).format(dn=self.request.params['dn'])
 
+    dialog_class = 'modal-large'
     icon_class = 'fa fa-fw fa-sitemap'
 
     fields = field.Fields(Interface)