diff --git a/contrib/terraform/hetzner/templates/inventory.tpl b/contrib/terraform/hetzner/templates/inventory.tpl
index ba71f99607b0b24359e59006c93931546b7838f5..56666e162e3492a2c5f3abf0d61f708f068d9af1 100644
--- a/contrib/terraform/hetzner/templates/inventory.tpl
+++ b/contrib/terraform/hetzner/templates/inventory.tpl
@@ -2,18 +2,18 @@
 ${connection_strings_master}
 ${connection_strings_worker}
 
-[kube-master]
+[kube_control_plane]
 ${list_master}
 
 [etcd]
 ${list_master}
 
-[kube-node]
+[kube_node]
 ${list_worker}
 
-[k8s-cluster:children]
+[k8s_cluster:children]
 kube-master
 kube-node
 
-[k8s-cluster:vars]
+[k8s_cluster:vars]
 network_id=${network_id}