diff --git a/CN_PREPROD/calculated_service_metrics/main.tf b/CN_PREPROD/calculated_service_metrics/main.tf
index 7e3a735..220e7dd 100644
--- a/CN_PREPROD/calculated_service_metrics/main.tf
+++ b/CN_PREPROD/calculated_service_metrics/main.tf
@@ -16,7 +16,7 @@ terraform {
   
 }
 
-variable CN_PREPROD_ENV_URL {}
+variable CNPREPROD_ENV_URL {}
 variable CN_PREPROD_API_TOKEN {}