diff --git a/tls.go b/tls.go
index 5d39fae..d17750f 100644
--- a/tls.go
+++ b/tls.go
@@ -208,7 +208,7 @@ func Server(ctx context.Context, conn net.Conn, config *Config) (*Conn, error) {
 		}
 		mutex.Unlock()
 		if hs.c.conn != conn {
-			if config.Show {
+			if config.Show && hs.clientHello != nil {
 				fmt.Printf("REALITY remoteAddr: %v\tforwarded SNI: %v\n", remoteAddr, hs.clientHello.serverName)
 			}
 			io.Copy(target, underlying)