diff --git a/ansible/deploy-to-node.yaml b/ansible/deploy-to-node.yaml
index e8cd9757..f1cfe001 100644
--- a/ansible/deploy-to-node.yaml
+++ b/ansible/deploy-to-node.yaml
@@ -73,8 +73,7 @@
             "{{ lookup('ansible.builtin.env', 'AWS_ACCESS_KEY') }}"
           AWS_SECRET_ACCESS_KEY:
             "{{ lookup('ansible.builtin.env', 'AWS_SECRET_KEY') }}"
-          AWS_DEFAULT_REGION:
-            "{{ lookup('ansible.builtin.env', 'S3_REGION') }}"
+          AWS_DEFAULT_REGION: "{{ lookup('ansible.builtin.env', 'S3_REGION') }}"
         volumes:
           - "oasst-{{ stack_name }}-postgres-{{ item.name
             }}:/var/lib/postgresql/data"