diff --git a/DocumentOperator.Tests/Unit/Infrastructure/Services/QrCodeProcessing/DevExpressSwissQrCodeProcessorTests.cs b/DocumentOperator.Tests/Unit/Infrastructure/Services/QrCodeProcessing/DevExpressSwissQrCodeProcessorTests.cs
index 54938c9..5966f07 100644
--- a/DocumentOperator.Tests/Unit/Infrastructure/Services/QrCodeProcessing/DevExpressSwissQrCodeProcessorTests.cs
+++ b/DocumentOperator.Tests/Unit/Infrastructure/Services/QrCodeProcessing/DevExpressSwissQrCodeProcessorTests.cs
@@ -149,7 +149,7 @@ public class DevExpressSwissQrCodeProcessorTests
     }
 
     [Fact]
-    public async Task ExtractSwissQrCodeAsync_StreamNotAtBeginning_ThrowsArgumentException()
+    public async Task ExtractSwissQrCodeAsync_StreamNotAtBeginning_ThrowsBadRequestException()
     {
         // Arrange: Valid PDF but stream position is not at 0
         using var pdfStream = LoadTestPdf("valid.pdf");
@@ -158,8 +158,7 @@ public class DevExpressSwissQrCodeProcessorTests
         // Act & Assert
         var act = async () => await _sut.ExtractSwissQrCodeAsync(pdfStream);
 
-        await act.Should().ThrowAsync<ArgumentException>()
-            .WithMessage("*Position = 0*");
+        await act.Should().ThrowAsync<BadRequestException>();
     }
 
     #endregion