diff --git a/CN_PREPROD/slo/main.tf b/CN_PREPROD/slo/main.tf
index 0085e6e..e5f91b2 100644
--- a/CN_PREPROD/slo/main.tf
+++ b/CN_PREPROD/slo/main.tf
@@ -1,5 +1,4 @@
-variable CNPREPROD_ENV_URL {}
-variable CNPREPROD_API_TOKEN {}
+
 
 terraform {
   required_providers {
@@ -19,7 +18,10 @@ terraform {
   
 }
 
+variable CN_PREPROD_ENV_URL {}
+variable CN_PREPROD_API_TOKEN {}
+
 provider "dynatrace" {
-    dt_env_url    = "${var.CNPREPROD_ENV_URL}"
-    dt_api_token  = "${var.CNPREPROD_API_TOKEN}"
+    dt_env_url    = "${var.CN_PREPROD_ENV_URL}"
+    dt_api_token  = "${var.CN_PREPROD_API_TOKEN}"
 }
\ No newline at end of file