diff --git a/group_vars/all/plain.yml b/group_vars/all/plain.yml
index 88c6c26..34532eb 100644
--- a/group_vars/all/plain.yml
+++ b/group_vars/all/plain.yml
@@ -131,7 +131,7 @@ ip_whitelist_netgo:
   - "46.245.219.98/32" # netgo borken
   - "164.138.195.162/32" # netgo Aachen
 
-ip_whitelist: "{{ ip_whitelist_netgo + [shared_service_network] + [(shared_service_vpn_ip) | default('')] | select() }}"
+ip_whitelist: "{{ ip_whitelist_netgo + [shared_service_network] + [shared_service_vpn_ip + '/32'] if shared_service_vpn_ip else ip_whitelist_netgo + [shared_service_network] }}"
 
 offsite_storage_server_ip: 142.132.155.83/32