diff --git a/gen/csharp/text.go b/gen/csharp/text.go
index 99b3e8f..8b775cc 100644
--- a/gen/csharp/text.go
+++ b/gen/csharp/text.go
@@ -6,6 +6,7 @@ const TemplateText = `// Generated by github.com/davyxu/protoplus
 using System;
 using System.Collections.Generic;
 using ProtoPlus;
+#pragma warning disable 162
 
 namespace {{.PackageName}}
 {