diff --git a/pkg/server/router/tcp/router.go b/pkg/server/router/tcp/router.go
index 0da33e10a..4790cd751 100644
--- a/pkg/server/router/tcp/router.go
+++ b/pkg/server/router/tcp/router.go
@@ -349,7 +349,7 @@ func clientHelloInfo(br *bufio.Reader) (*clientHello, error) {
 	hdr, err := br.Peek(1)
 	if err != nil {
 		var opErr *net.OpError
-		if !errors.Is(err, io.EOF) && (!errors.As(err, &opErr) || opErr.Timeout()) {
+		if !errors.Is(err, io.EOF) && (!errors.As(err, &opErr) || !opErr.Timeout()) {
 			log.WithoutContext().Errorf("Error while Peeking first byte: %s", err)
 		}
 		return nil, err