diff --git a/Core.Thalos.BuildingBlocks/Adapters/UserAdapter.cs b/Core.Thalos.BuildingBlocks/Adapters/UserAdapter.cs
index e8eea66..52e6988 100644
--- a/Core.Thalos.BuildingBlocks/Adapters/UserAdapter.cs
+++ b/Core.Thalos.BuildingBlocks/Adapters/UserAdapter.cs
@@ -103,6 +103,5 @@ namespace Core.Thalos.BuildingBlocks
         [BsonElement("tenantId")]
         [BsonRepresentation(BsonType.ObjectId)]
         [JsonPropertyName("tenantId")]
-        public string? TenantId { get; set; } = null;
+        public string? TenantId { get; set; }
     }
-}