1 files changed, 2 insertions, 2 deletions
diff --git a/src/System.Net.Security/tests/FunctionalTests/ServerAsyncAuthenticateTest.cs b/src/System.Net.Security/tests/FunctionalTests/ServerAsyncAuthenticateTest.cs
index 68e845e56c..c45c488f0f 100644
--- a/src/System.Net.Security/tests/FunctionalTests/ServerAsyncAuthenticateTest.cs
+++ b/src/System.Net.Security/tests/FunctionalTests/ServerAsyncAuthenticateTest.cs
@@ -107,11 +107,11 @@ namespace System.Net.Security.Tests
             int timeOut = expectedToFail ? TestConfiguration.FailingTestTimeoutMiliseconds
                 : TestConfiguration.PassingTestTimeoutMilliseconds;
 
-            IPEndPoint endPoint = new IPEndPoint(IPAddress.IPv6Loopback, 0);
+            IPEndPoint endPoint = new IPEndPoint(Socket.OSSupportsIPv6 ? IPAddress.IPv6Loopback : IPAddress.Loopback, 0);
             var server = new TcpListener(endPoint);
             server.Start();
 
-            using (var clientConnection = new TcpClient(AddressFamily.InterNetworkV6))
+            using (var clientConnection = new TcpClient(Socket.OSSupportsIPv6 ? AddressFamily.InterNetworkV6 : AddressFamily.InterNetwork))
             {
                 IPEndPoint serverEndPoint = (IPEndPoint)server.LocalEndpoint;