diff --git a/AsbCloudApp/Data/SAUB/DrillTestDto.cs b/AsbCloudApp/Data/SAUB/DrillTestDto.cs
index 2c67edc4..027f7419 100644
--- a/AsbCloudApp/Data/SAUB/DrillTestDto.cs
+++ b/AsbCloudApp/Data/SAUB/DrillTestDto.cs
@@ -31,7 +31,7 @@ namespace AsbCloudApp.Data.SAUB
         /// <summary>
         /// 
         /// </summary>
-        public virtual TelemetryDto Telemetry { get; set; } = null!;
+        public TelemetryDto? Telemetry { get; set; } = null!;
 
         /// <summary>
         /// Параметры теста
diff --git a/AsbCloudApp/Data/SAUB/DrillTestParamsDto.cs b/AsbCloudApp/Data/SAUB/DrillTestParamsDto.cs
index a6c187a7..1984e722 100644
--- a/AsbCloudApp/Data/SAUB/DrillTestParamsDto.cs
+++ b/AsbCloudApp/Data/SAUB/DrillTestParamsDto.cs
@@ -48,6 +48,6 @@
         /// <summary>
         /// Drill test
         /// </summary>
-        public virtual DrillTestDto DrillTest { get; set; } = null!;
+        public DrillTestDto? DrillTest { get; set; } = null!;
     }
 }