diff --git a/cmd/bbsimctl/bbsimctl.go b/cmd/bbsimctl/bbsimctl.go
index 29b45c5..e7fead0 100644
--- a/cmd/bbsimctl/bbsimctl.go
+++ b/cmd/bbsimctl/bbsimctl.go
@@ -37,6 +37,7 @@
 	commands.RegisterConfigCommands(parser)
 	commands.RegisterOltCommands(parser)
 	commands.RegisterONUCommands(parser)
+	commands.RegisterCompletionCommands(parser)
 
 	_, err = parser.ParseArgs(os.Args[1:])
 	if err != nil {