diff --git a/CN_PROD/slo/Wirkkette_Connected_Drive_Store_Mobile_Reliability_of_key_requests.tf b/CN_PROD/slo/Wirkkette_Connected_Drive_Store_Mobile_Reliability_of_key_requests.tf
index 5c64eb8..095f134 100644
--- a/CN_PROD/slo/Wirkkette_Connected_Drive_Store_Mobile_Reliability_of_key_requests.tf
+++ b/CN_PROD/slo/Wirkkette_Connected_Drive_Store_Mobile_Reliability_of_key_requests.tf
@@ -13,6 +13,7 @@ module Wirkkette_Connected_Drive_Store_Mobile_Reliability_of_key_requests {
     filter                      = ""            
 
     #metric expression of the calculation as done in data explorer ui
+    metric_expression           = <<-EOT
 (100)-(builtin:service.keyRequest.errors.fivexx.rate:filter(and(or(in("dt.entity.service_method",entitySelector("type(service_method), 
 fromRelationship.isServiceMethodOfService(
                             type(~"SERVICE~"),entityName.in(