diff --git a/GrpcDotNetNamedPipes/Internal/ServerConnectionContext.cs b/GrpcDotNetNamedPipes/Internal/ServerConnectionContext.cs
index 07c73c9..ceadf0a 100644
--- a/GrpcDotNetNamedPipes/Internal/ServerConnectionContext.cs
+++ b/GrpcDotNetNamedPipes/Internal/ServerConnectionContext.cs
@@ -153,6 +153,8 @@ public void Success(byte[] responsePayload = null)
 
     private void WriteTrailers(StatusCode statusCode, string statusDetail)
     {
+        if (!PipeStream.IsConnected) return;
+
         Transport.Write().Trailers(statusCode, statusDetail, CallContext.ResponseTrailers).Commit();
     }