diff --git a/contrib/terraform-testing-infrastructure/modules/config-files/templates/cluster.yaml.tftpl b/contrib/terraform-testing-infrastructure/modules/config-files/templates/cluster.yaml.tftpl
index 88ba8add..fcbd06d6 100644
--- a/contrib/terraform-testing-infrastructure/modules/config-files/templates/cluster.yaml.tftpl
+++ b/contrib/terraform-testing-infrastructure/modules/config-files/templates/cluster.yaml.tftpl
@@ -33,9 +33,9 @@ tserver:
 %{ endfor ~}
 
 sserver:
-  - default:
+  default:
 %{ for ip in worker_ips ~}
-      - ${ip}
+    - ${ip}
 %{ endfor ~}
 
 compactor: