diff --git a/src/ImageProcessor.UnitTests/ImageFactoryUnitTests.cs b/src/ImageProcessor.UnitTests/ImageFactoryUnitTests.cs
index 70907280b..12abc9e04 100644
--- a/src/ImageProcessor.UnitTests/ImageFactoryUnitTests.cs
+++ b/src/ImageProcessor.UnitTests/ImageFactoryUnitTests.cs
@@ -359,8 +359,10 @@ namespace ImageProcessor.UnitTests
                     imageFactory.Reset();
                     AssertionHelpers.AssertImagesAreIdentical(original, imageFactory.Image, "because the image should be reset");
 
-                    imageFactory.Format(new ImageProcessor.Imaging.Formats.JpegFormat()).Save("./output/filter-" + j++.ToString() + "-image-" + i++.ToString() + ".jpg");
+                    imageFactory.Format(new ImageProcessor.Imaging.Formats.JpegFormat()).Save("./output/filter-" + j++.ToString() + "-image-" + i.ToString() + ".jpg");
                 }
+
+                i++;
             }
         }
 
@@ -671,8 +673,10 @@ namespace ImageProcessor.UnitTests
                     imageFactory.Reset();
                     AssertionHelpers.AssertImagesAreIdentical(original, imageFactory.Image, "because the image should be reset");
 
-                    imageFactory.Format(new ImageProcessor.Imaging.Formats.JpegFormat()).Save("./output/edgefilter-" + j++.ToString() + "-image-" + i++.ToString() + ".jpg");
+                    imageFactory.Format(new ImageProcessor.Imaging.Formats.JpegFormat()).Save("./output/edgefilter-" + j++.ToString() + "-image-" + i.ToString() + ".jpg");
                 }
+
+                i++;
             }
         }
 
diff --git a/src/ImageProcessor.UnitTests/ImageProcessor.UnitTests.csproj b/src/ImageProcessor.UnitTests/ImageProcessor.UnitTests.csproj
index 1d808f963..f7a94845a 100644
--- a/src/ImageProcessor.UnitTests/ImageProcessor.UnitTests.csproj
+++ b/src/ImageProcessor.UnitTests/ImageProcessor.UnitTests.csproj
@@ -134,6 +134,9 @@
     <Content Include="Images\color-modes\srgb.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
+    <Content Include="Images\stretched.jpg">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </Content>
     <Content Include="Images\text.png">
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
diff --git a/src/ImageProcessor.UnitTests/Images/stretched.jpg b/src/ImageProcessor.UnitTests/Images/stretched.jpg
new file mode 100644
index 000000000..891b9f690
Binary files /dev/null and b/src/ImageProcessor.UnitTests/Images/stretched.jpg differ