diff --git a/TransactionProcessor.BusinessLogic/Services/IdGenerationService.cs b/TransactionProcessor.BusinessLogic/Services/IdGenerationService.cs
index 660c7c5b..a1ae8bf6 100644
--- a/TransactionProcessor.BusinessLogic/Services/IdGenerationService.cs
+++ b/TransactionProcessor.BusinessLogic/Services/IdGenerationService.cs
@@ -20,7 +20,8 @@ public class IdGenerationService
 
 
         private static readonly JsonSerialiser JsonSerialiser = new(() => new JsonSerializerSettings {
-                                                                                                         Formatting = Formatting.None
+                                                                                                         Formatting = Formatting.None,
+                                                                                                         TypeNameHandling = TypeNameHandling.None
                                                                                                      });
 
         private static readonly GenerateUniqueIdFromObject GenerateUniqueId =
diff --git a/TransactionProcessor/appsettings.json b/TransactionProcessor/appsettings.json
index 499637ad..4fcb8438 100644
--- a/TransactionProcessor/appsettings.json
+++ b/TransactionProcessor/appsettings.json
@@ -23,7 +23,7 @@
         "TransactionProcessor.BusinessLogic.EventHandling.VoucherDomainEventHandler, TransactionProcessor.BusinessLogic"
       ],
       "TransactionCostInformationRecordedEvent": [
-        "TransactionProcessor.BusinessLogic.EventHandling.VoucherDomainEventHandler, TransactionProcessor.BusinessLogic"
+        "TransactionProcessor.BusinessLogic.EventHandling.TransactionDomainEventHandler, TransactionProcessor.BusinessLogic"
       ]
     },
     "EventHandlerConfigurationOrdered": {