diff --git a/group_vars/all/plain.yml b/group_vars/all/plain.yml
index b4286e6..4dc7fc5 100644
--- a/group_vars/all/plain.yml
+++ b/group_vars/all/plain.yml
@@ -126,7 +126,11 @@ default_plattform_users:
   - '{{ awx_ansible_user_name }}'
   - '{{ gitlab_ansible_user_name }}'
 
-smardigo_plattform_users: "{{ default_plattform_users + custom_plattform_users | default([]) }}"
+smardigo_plattform_users: "{{
+   default_plattform_users
+   + (custom_plattform_users | default([]))
+   + (custom_stage_plattform_users | default([]))
+   }}"
 
 ip_whitelist_netgo:
   - "212.121.131.106/32" # netgo berlin
diff --git a/group_vars/stage_dev/plain.yml b/group_vars/stage_dev/plain.yml
index 5302b14..f9e24cc 100644
--- a/group_vars/stage_dev/plain.yml
+++ b/group_vars/stage_dev/plain.yml
@@ -371,5 +371,5 @@ management_oidc_client_secret: "{{ management_oidc_client_secret_vault }}"
 # push mirror: https://{{ stage }}-gitea-01.smardigo.digital/gitea-admin/communication-keys/
 gpg_key_smardigo_automation__private: '{{ gpg_key_smardigo_automation__private__vault }}'
 
-custom_plattform_users:
-  - hp.wissenbach
\ No newline at end of file
+custom_stage_plattform_users:
+  - hp.wissenbach