diff --git a/lib/ocpp/v201/smart_charging.cpp b/lib/ocpp/v201/smart_charging.cpp
index ccadb7518..7eda4ebb0 100644
--- a/lib/ocpp/v201/smart_charging.cpp
+++ b/lib/ocpp/v201/smart_charging.cpp
@@ -119,7 +119,7 @@ std::string profile_validation_result_to_reason_code(ProfileValidationResultEnum
     case ProfileValidationResultEnum::InvalidProfileType:
         return "InternalError";
     case ProfileValidationResultEnum::InvalidSecurityProfile:
-        return "InvalidSecurityProfile";
+        return "LowSecurityProfile";
     }
 
     throw std::out_of_range("No applicable reason code for provided enum of type ProfileValidationResultEnum");