diff --git a/AsbCloudInfrastructure/ParserServiceBase.cs b/AsbCloudInfrastructure/ParserServiceBase.cs
index bcceb80d..c0ea8272 100644
--- a/AsbCloudInfrastructure/ParserServiceBase.cs
+++ b/AsbCloudInfrastructure/ParserServiceBase.cs
@@ -35,6 +35,14 @@ public abstract class ParserServiceBase<TDto, TOptions> : IParserService<TDto, T
 	{
 		var validationContext = new ValidationContext(dto, serviceProvider: null, items: null);
 
+		if (dto is IValidatableObject dtoWithValidateMethod)
+		{
+			var validationResults = dtoWithValidateMethod.Validate(validationContext);
+
+			foreach (var validationResult in validationResults)
+				ValidationResults.Add(validationResult);
+		}
+
 		if (Validator.TryValidateObject(dto, validationContext, ValidationResults, true))
 		{
 			var validRow = new ValidationResultDto<TDto>
diff --git a/AsbCloudWebApi.Tests/XLExtensionsTests.cs b/AsbCloudWebApi.Tests/XLExtensionsTests.cs
index 7f5fd781..601e71e0 100644
--- a/AsbCloudWebApi.Tests/XLExtensionsTests.cs
+++ b/AsbCloudWebApi.Tests/XLExtensionsTests.cs
@@ -1,4 +1,5 @@
 using System;
+using System.IO;
 using AsbCloudInfrastructure;
 using ClosedXML.Excel;
 using Xunit;
@@ -112,6 +113,16 @@ public class XLExtensionsTests
 		Assert.Equal(DateTimeKind.Unspecified, actualValue.Kind);
 	}
 
+	[Fact]
+	public void GetCellValue_returns_exception()
+	{
+		//arrange
+		SetCellValue("test");
+
+		//assert
+		Assert.Throws<FileFormatException>(() => GetCell(cellUsed).GetCellValue<double>());
+	}
+
 	[Fact]
 	public void GetCellValue_returns_nullable()
 	{