minor tweaks to C# qpswoker
diff --git a/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs b/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs
index e8be775..d401fa8 100644
--- a/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs
+++ b/src/csharp/Grpc.IntegrationTesting/ServerRunners.cs
@@ -65,7 +65,7 @@
var server = new Server
{
Services = { BenchmarkService.BindService(new BenchmarkServiceImpl(responseSize)) },
- Ports = { new ServerPort(config.Host, config.Port, credentials) }
+ Ports = { new ServerPort("[::]", config.Port, credentials) }
};
server.Start();