diff --git a/src/libraries/System.Reflection.Metadata/tests/Metadata/Decoding/CustomAttributeDecoderTests.cs b/src/libraries/System.Reflection.Metadata/tests/Metadata/Decoding/CustomAttributeDecoderTests.cs
index 0b7055dc65a04e..8c82fa714af030 100644
--- a/src/libraries/System.Reflection.Metadata/tests/Metadata/Decoding/CustomAttributeDecoderTests.cs
+++ b/src/libraries/System.Reflection.Metadata/tests/Metadata/Decoding/CustomAttributeDecoderTests.cs
@@ -200,7 +200,7 @@ public void TestCustomAttributeDecoderUsingReflection()
 
 #if NET && !TARGET_BROWSER // Generic attribute is not supported on .NET Framework.
         [ConditionalFact(typeof(PlatformDetection), nameof(PlatformDetection.HasAssemblyFiles))]
-        [ActiveIssue("https://github.com/dotnet/runtime/issues/60579", TestPlatforms.iOS | TestPlatforms.tvOS)]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/60579", TestPlatforms.iOS | TestPlatforms.tvOS | TestPlatforms.MacCatalyst)]
         public void TestCustomAttributeDecoderGenericUsingReflection()
         {
             Type type = typeof(HasGenericAttributes);