diff --git a/tests/Perspex.SceneGraph.UnitTests/RelativeRectTests.cs b/tests/Perspex.SceneGraph.UnitTests/RelativeRectTests.cs
index 9ee4e37e3f..625d73e95e 100644
--- a/tests/Perspex.SceneGraph.UnitTests/RelativeRectTests.cs
+++ b/tests/Perspex.SceneGraph.UnitTests/RelativeRectTests.cs
@@ -8,12 +8,14 @@ namespace Perspex.SceneGraph.UnitTests
 {
     public class RelativeRectTests
     {
+        private static readonly RelativeRectComparer Compare = new RelativeRectComparer();
+        
         [Fact]
         public void Parse_Should_Accept_Absolute_Value()
         {
             var result = RelativeRect.Parse("4,5,50,60", CultureInfo.InvariantCulture);
 
-            Assert.Equal(new RelativeRect(4, 5, 50, 60, RelativeUnit.Absolute), result);
+            Assert.Equal(new RelativeRect(4, 5, 50, 60, RelativeUnit.Absolute), result, Compare);
         }
 
         [Fact]
@@ -21,7 +23,7 @@ namespace Perspex.SceneGraph.UnitTests
         {
             var result = RelativeRect.Parse("10%, 20%, 40%, 70%", CultureInfo.InvariantCulture);
 
-            Assert.Equal(new RelativeRect(0.1, 0.2, 0.4, 0.7, RelativeUnit.Relative), result);
+            Assert.Equal(new RelativeRect(0.1, 0.2, 0.4, 0.7, RelativeUnit.Relative), result, Compare);
         }
     }
 }