diff --git a/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicTests.cs b/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicTests.cs
index c1f2e49beba8c9..b8097a43a6c6da 100644
--- a/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicTests.cs
+++ b/src/libraries/System.Net.Quic/tests/FunctionalTests/MsQuicTests.cs
@@ -117,6 +117,7 @@ public async Task ConnectWithCertificateChain()
 
         [Fact]
         [PlatformSpecific(TestPlatforms.Windows)]
+        [ActiveIssue("https://github.com/microsoft/msquic/pull/1728")]
         public async Task ConnectWithClientCertificate()
         {
             bool clientCertificateOK = false;