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 e8f0bed..0b65c31 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
@@ -13,9 +13,8 @@ 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.server.successCount:filter(and(or(in("dt.entity.service_method",entitySelector("type(service_method),
-                        fromRelationship.isServiceMethodOfService(
+(100)-(builtin:service.keyRequest.errors.fivexx.rate:filter(and(in("dt.entity.service_method",entitySelector("type(service_method), 
+fromRelationship.isServiceMethodOfService(
                             type(~"SERVICE~"),entityName.in(
                                 ~"StoreOfferResourceV6 - am-store - prod~",
 								~"StoreResourceV4 - am-store - prod~"
@@ -23,18 +22,7 @@ module Wirkkette_Connected_Drive_Store_Mobile_Reliability_of_key_requests {
                         )
                     ,entityName.in(
                         ~"getOffersAndPortfolio~"
-                        )"))))):splitBy())
-		/
-		(builtin:service.keyRequest.count.server:filter(and(or(in("dt.entity.service_method",entitySelector("type(service_method),
-                        fromRelationship.isServiceMethodOfService(
-                            type(~"SERVICE~"),entityName.in(
-								~"StoreOfferResourceV6 - am-store - prod~",
-								~"StoreResourceV4 - am-store - prod~"
-                                )
-                        )
-                    ,entityName.in(
-                        ~"getOffersAndPortfolio~"
-                        )"))))):splitBy()))
+                        )")))):splitBy())
 
 EOT
 
@@ -48,4 +36,4 @@ evaluation                  = "AGGREGATE"
 target                      = 98           #if not set(removed) it's defaulted to 98
 warning                     = 99           #if not set(removed) it's defaulted to 99
     
-}
\ No newline at end of file
+}