diff --git a/src/libraries/Common/src/System/Net/TlsStream.cs b/src/libraries/Common/src/System/Net/TlsStream.cs
index 503253099aac1..37fe2ff825fa5 100644
--- a/src/libraries/Common/src/System/Net/TlsStream.cs
+++ b/src/libraries/Common/src/System/Net/TlsStream.cs
@@ -68,6 +68,11 @@ public override Task WriteAsync(byte[] buffer, int offset, int count, Cancellati
             return _sslStream.WriteAsync(buffer, offset, count, cancellationToken);
         }
 
+        public override ValueTask WriteAsync(ReadOnlyMemory<byte> buffer, CancellationToken cancellationToken = default(CancellationToken))
+        {
+            return _sslStream.WriteAsync(buffer, cancellationToken);
+        }
+
         public override int Read(byte[] buffer, int offset, int size)
         {
             return _sslStream.Read(buffer, offset, size);