diff --git a/OrderTrackingApp.Consumer/appsettings.json b/OrderTrackingApp.Consumer/appsettings.json
index 576f5d9..ba98022 100644
--- a/OrderTrackingApp.Consumer/appsettings.json
+++ b/OrderTrackingApp.Consumer/appsettings.json
@@ -7,7 +7,7 @@
   },
   "ConnectionStrings": {
     "SqlConnection": "Server=localhost,1433;Database=OrderDb;User=sa;Password=YourStrong!Passw0rd;TrustServerCertificate=True",
-    "MongoDb": "mongodb://mongoadmin:secret123@localhost:27017",
+    "MongoDb": "mongodb://admin:secret@localhost:27017",
     "RabbitMq": "amqp://guest:guest@localhost:5672/"
   }
 }
diff --git a/OrderTrackingApp.ReadPersistence/MongoDbContext.cs b/OrderTrackingApp.ReadPersistence/MongoDbContext.cs
index 179e539..cf395fc 100644
--- a/OrderTrackingApp.ReadPersistence/MongoDbContext.cs
+++ b/OrderTrackingApp.ReadPersistence/MongoDbContext.cs
@@ -1,4 +1,7 @@
 using Microsoft.Extensions.Configuration;
+using MongoDB.Bson;
+using MongoDB.Bson.Serialization;
+using MongoDB.Bson.Serialization.Serializers;
 using MongoDB.Driver;
 
 namespace OrderTrackingApp.ReadPersistence
@@ -9,6 +12,8 @@ public class MongoDbContext
 
         public MongoDbContext(IConfiguration config)
         {
+            BsonSerializer.RegisterSerializer(new GuidSerializer(GuidRepresentation.Standard));
+
             var connectionString = config.GetConnectionString("MongoDb");
             var mongoClient = new MongoClient(connectionString);
             Database = mongoClient.GetDatabase("OrderReadDb");