diff --git a/tests/ImageSharp.Tests/Processing/Contrast/HistogramEqualizationTests.cs b/tests/ImageSharp.Tests/Processing/Normalization/HistogramEqualizationTests.cs
similarity index 97%
rename from tests/ImageSharp.Tests/Processing/Contrast/HistogramEqualizationTests.cs
rename to tests/ImageSharp.Tests/Processing/Normalization/HistogramEqualizationTests.cs
index b989fcf85..7a750ff8b 100644
--- a/tests/ImageSharp.Tests/Processing/Contrast/HistogramEqualizationTests.cs
+++ b/tests/ImageSharp.Tests/Processing/Normalization/HistogramEqualizationTests.cs
@@ -6,7 +6,7 @@ using SixLabors.ImageSharp.Processing;
 using SixLabors.ImageSharp.Processing.Normalization;
 using Xunit;
 
-namespace SixLabors.ImageSharp.Tests.Processing.Contrast
+namespace SixLabors.ImageSharp.Tests.Processing.Normalization
 {
     public class HistogramEqualizationTests
     {