diff --git a/src/libraries/System.Net.Mail/tests/Functional/SmtpClientTest.cs b/src/libraries/System.Net.Mail/tests/Functional/SmtpClientTest.cs
index 03e1453c99a0e..6625a9da0738e 100644
--- a/src/libraries/System.Net.Mail/tests/Functional/SmtpClientTest.cs
+++ b/src/libraries/System.Net.Mail/tests/Functional/SmtpClientTest.cs
@@ -458,7 +458,7 @@ public void SendMailAsync_CanBeCanceled_CancellationToken_SetAlready()
         }
 
         [Fact]
-        [ActiveIssue("https://github.com/dotnet/runtime/issues/72818", typeof(PlatformDetection), nameof(PlatformDetection.IsMonoInterpreter))]
+        [ActiveIssue("https://github.com/dotnet/runtime/issues/73447", TestPlatforms.AnyUnix)]
         public async Task SendMailAsync_CanBeCanceled_CancellationToken()
         {
             using var server = new LoopbackSmtpServer();