diff --git a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
index 799a400f5fbfa6..7732493fcb7db1 100644
--- a/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
+++ b/src/libraries/Common/tests/TestUtilities/System/PlatformDetection.cs
@@ -450,7 +450,7 @@ private static bool GetTls10Support()
             // Windows depend on registry, enabled by default on all supported versions.
             if (IsWindows)
             {
-                return GetProtocolSupportFromWindowsRegistry(SslProtocols.Tls, defaultProtocolSupport: true);
+                return GetProtocolSupportFromWindowsRegistry(SslProtocols.Tls, defaultProtocolSupport: true) && !IsWindows10Version20348OrGreater;
             }
 
             return OpenSslGetTlsSupport(SslProtocols.Tls);
@@ -467,7 +467,7 @@ private static bool GetTls11Support()
                 }
 
                 // It is enabled on other versions unless explicitly disabled.
-                return GetProtocolSupportFromWindowsRegistry(SslProtocols.Tls11, defaultProtocolSupport: true);
+                return GetProtocolSupportFromWindowsRegistry(SslProtocols.Tls11, defaultProtocolSupport: true) && !IsWindows10Version20348OrGreater;
             }
             // on macOS and Android TLS 1.1 is supported.
             else if (IsOSXLike || IsAndroid)