diff --git a/tests/ImageSharp.Tests/Formats/WebP/WebpDecoderTests.cs b/tests/ImageSharp.Tests/Formats/WebP/WebpDecoderTests.cs
index 417d3ce2d..ac5918952 100644
--- a/tests/ImageSharp.Tests/Formats/WebP/WebpDecoderTests.cs
+++ b/tests/ImageSharp.Tests/Formats/WebP/WebpDecoderTests.cs
@@ -372,7 +372,7 @@ namespace SixLabors.ImageSharp.Tests.Formats.Webp
 
             image.DebugSave(provider, testOutputDetails: details, appendPixelTypeToFileName: false);
             image.CompareToReferenceOutput(
-                ImageComparer.TolerantPercentage(0.0006F),
+                ImageComparer.TolerantPercentage(0.0007F),
                 provider,
                 testOutputDetails: details,
                 appendPixelTypeToFileName: false);
diff --git a/tests/ImageSharp.Tests/TestUtilities/ImageComparison/Exceptions/ImageDifferenceIsOverThresholdException.cs b/tests/ImageSharp.Tests/TestUtilities/ImageComparison/Exceptions/ImageDifferenceIsOverThresholdException.cs
index eb446c327..8857471d0 100644
--- a/tests/ImageSharp.Tests/TestUtilities/ImageComparison/Exceptions/ImageDifferenceIsOverThresholdException.cs
+++ b/tests/ImageSharp.Tests/TestUtilities/ImageComparison/Exceptions/ImageDifferenceIsOverThresholdException.cs
@@ -52,7 +52,7 @@ namespace SixLabors.ImageSharp.Tests.TestUtilities.ImageComparison
         {
             if (TestEnvironment.IsMacOS)
             {
-                return "Mac OS";
+                return "MacOS";
             }
 
             if (TestEnvironment.IsMacOS)