diff --git a/playbook.yml b/playbook.yml
index 6d585003d018a2730ee92def17793f969359cc38..8c9902862e7488f93088eebd1f1fcb74995b3e48 100644
--- a/playbook.yml
+++ b/playbook.yml
@@ -4,8 +4,8 @@
   vars: 
     docker:
       registry_url: gitlab.geant.net:5005/docker/ci_registry
-      username: "{{ lookup('ansible.builtin.env', 'GITLAB_USER' }}"
-      private_token: "{{ lookup('ansible.builtin.env', 'GITLAB_TOKEN' }}"
+      username: "{{ lookup('ansible.builtin.env', 'GITLAB_USER') }}"
+      private_token: "{{ lookup('ansible.builtin.env', 'GITLAB_TOKEN') }}"
     nat_user: nat
   roles:
     - docker