diff --git a/terraform/cloud-init.yml b/terraform/cloud-init.yml
index 40f77dc870fecb35f1c2612fedeeaceb3d4f73dd..47e66e6ea6e12110e97e111cf2ffaf1f895a6000 100644
--- a/terraform/cloud-init.yml
+++ b/terraform/cloud-init.yml
@@ -10,7 +10,7 @@ packages:
   - git
 
 write_files:
-  content: |
+- content: |
     hostname: $(scw-userdata atrium_hostname)
     debug_mode: false
     letsencrypt_email: $(scw_userdata atrium_letsencrypt_email)