diff --git a/cmd/utils/flags.go b/cmd/utils/flags.go
index 5fd5013f00..573aa3db9e 100644
--- a/cmd/utils/flags.go
+++ b/cmd/utils/flags.go
@@ -631,7 +631,7 @@ func setBootstrapNodesV5(ctx *cli.Context, cfg *p2p.Config) {
 			urls = strings.Split(ctx.GlobalString(BootnodesFlag.Name), ",")
 		}
 	case ctx.GlobalBool(RinkebyFlag.Name):
-		urls = params.RinkebyBootnodes
+		urls = append(urls, params.RinkebyBootnodes...)
 	case cfg.BootstrapNodesV5 != nil:
 		return // already set, don't apply defaults.
 	}