diff --git a/terraform/aks/config/pre-production.tfvars.json b/terraform/aks/config/pre-production.tfvars.json
index 4bb8b7437..253d4221f 100644
--- a/terraform/aks/config/pre-production.tfvars.json
+++ b/terraform/aks/config/pre-production.tfvars.json
@@ -11,5 +11,6 @@
   "enable_logit": true,
   "worker_max_memory": "2Gi",
   "postgres_flexible_server_sku": "GP_Standard_D2ads_v5",
-  "postgres_azure_storage_mb": 65536
+  "postgres_azure_storage_mb": 65536,
+  "enable_dfe_analytics_federated_auth": true
 }