diff --git a/ci/infrastructure/pipeline.yml b/ci/infrastructure/pipeline.yml
index 5c18cecadd..02223d9b8d 100644
--- a/ci/infrastructure/pipeline.yml
+++ b/ci/infrastructure/pipeline.yml
@@ -186,6 +186,7 @@ jobs:
       BBL_ENV_NAME: autoscaler
       BBL_GCP_SERVICE_ACCOUNT_KEY: ((autoscaler_app_runtime_interfaces_key))
       BBL_GCP_PROJECT_ID: app-runtime-interfaces-wg
+      TF_VAR_parent_dns_zone: app-runtime-interfaces
     input_mapping:
       bbl-state: bbl-state
     ensure: