diff --git a/tests/ImageSharp.Tests/TestUtilities/Tests/TestEnvironmentTests.cs b/tests/ImageSharp.Tests/TestUtilities/Tests/TestEnvironmentTests.cs
index e72d953ac..e3418220b 100644
--- a/tests/ImageSharp.Tests/TestUtilities/Tests/TestEnvironmentTests.cs
+++ b/tests/ImageSharp.Tests/TestUtilities/Tests/TestEnvironmentTests.cs
@@ -67,7 +67,7 @@ namespace SixLabors.ImageSharp.Tests
         [InlineData("lol/Baz.gif", typeof(GifEncoder))]
         public void GetReferenceEncoder_ReturnsCorrectEncoders_Windows(string fileName, Type expectedEncoderType)
         {
-            if (TestEnvironment.IsLinux)
+            if (!TestEnvironment.IsWindows)
             {
                 return;
             }
@@ -83,7 +83,7 @@ namespace SixLabors.ImageSharp.Tests
         [InlineData("lol/Baz.gif", typeof(GifDecoder))]
         public void GetReferenceDecoder_ReturnsCorrectDecoders_Windows(string fileName, Type expectedDecoderType)
         {
-            if (TestEnvironment.IsLinux)
+            if (!TestEnvironment.IsWindows)
             {
                 return;
             }