diff --git a/core/corehttp/gateway_handler_codec.go b/core/corehttp/gateway_handler_codec.go
index 6bb6caa781ba..355c80472397 100644
--- a/core/corehttp/gateway_handler_codec.go
+++ b/core/corehttp/gateway_handler_codec.go
@@ -204,7 +204,7 @@ func (i *gatewayHandler) serveCodecConverted(ctx context.Context, w http.Respons
 		w.Header().Set("Last-Modified", modtime.UTC().Format(http.TimeFormat))
 	}
 
-	w.Write(buf.Bytes())
+	_, _ = w.Write(buf.Bytes())
 }
 
 func setCodecContentDisposition(w http.ResponseWriter, r *http.Request, resolvedPath ipath.Resolved, contentType string) string {