diff --git a/site-cookbooks/kosmos-ejabberd/recipes/default.rb b/site-cookbooks/kosmos-ejabberd/recipes/default.rb
index d9729f0..189a476 100644
--- a/site-cookbooks/kosmos-ejabberd/recipes/default.rb
+++ b/site-cookbooks/kosmos-ejabberd/recipes/default.rb
@@ -154,6 +154,11 @@ admin_users = ejabberd_credentials['admins']
 
 hosts.each do |host|
   ldap_rootdn = "uid=service,ou=#{host[:name]},cn=applications,dc=kosmos,dc=org"
+  if host[:name] == "kosmos.org"
+    ldap_filter = "(&(objectClass=person)(serviceEnabled=xmpp))"
+  else
+    ldap_filter = "(objectClass=person)"
+  end
 
   template "/opt/ejabberd/conf/#{host[:name]}.yml" do
     source    "vhost.yml.erb"
@@ -167,7 +172,8 @@ hosts.each do |host|
               ldap_base: ldap_base,
               ldap_server: ldap_domain,
               ldap_rootdn: ldap_rootdn,
-              ldap_encryption_type: ldap_encryption_type
+              ldap_encryption_type: ldap_encryption_type,
+              ldap_filter: ldap_filter
     notifies :reload, "service[ejabberd]", :delayed
   end
 end
diff --git a/site-cookbooks/kosmos-ejabberd/templates/vhost.yml.erb b/site-cookbooks/kosmos-ejabberd/templates/vhost.yml.erb
index 30fd806..4424256 100644
--- a/site-cookbooks/kosmos-ejabberd/templates/vhost.yml.erb
+++ b/site-cookbooks/kosmos-ejabberd/templates/vhost.yml.erb
@@ -16,7 +16,7 @@ host_config:
     ldap_password: "<%= @host[:ldap_password] %>"
     ldap_encrypt: <%= @ldap_encryption_type %>
     ldap_base: "ou=<%= @host[:name] %>,<%= @ldap_base %>"
-    ldap_filter: "(objectClass=person)"
+    ldap_filter: "<%= @ldap_filter %>"
   <% end -%>
 
 append_host_config: