diff --git a/inventories/chaosknoten/hosts.yaml b/inventories/chaosknoten/hosts.yaml
index 59b1fad..df0bebb 100644
--- a/inventories/chaosknoten/hosts.yaml
+++ b/inventories/chaosknoten/hosts.yaml
@@ -11,12 +11,12 @@ all:
           ansible_host: cloud-intern.hamburg.ccc.de
           ansible_port: 42666
           ansible_user: chaos
-          ansible_ssh_common_args: -J public-reverse-proxy
+          ansible_ssh_common_args: -J ssh://public-reverse-proxy.hamburg.ccc.de:42666
         pad:
           ansible_host: pad-intern.hamburg.ccc.de
           ansible_port: 42666
           ansible_user: chaos
-          ansible_ssh_common_args: -J public-reverse-proxy
+          ansible_ssh_common_args: -J ssh://public-reverse-proxy.hamburg.ccc.de:42666
         public-reverse-proxy:
           ansible_host: public-reverse-proxy.hamburg.ccc.de
           ansible_port: 42666