diff --git a/cmd/barak/barak.go b/cmd/barak/barak.go
index 7e71ab66a..de0a9c625 100644
--- a/cmd/barak/barak.go
+++ b/cmd/barak/barak.go
@@ -175,6 +175,10 @@ func (brk *Barak) CloseListener(addr string) {
 	filtered := []net.Listener{}
 	for _, listener := range brk.listeners {
 		if listener.Addr().String() == addr {
+			err := listener.Close()
+			if err != nil {
+				fmt.Printf("Error closing listener: %v\n", err)
+			}
 			continue
 		}
 		filtered = append(filtered, listener)
diff --git a/cmd/debora/main.go b/cmd/debora/main.go
index e0ba3459a..bed13cc32 100644
--- a/cmd/debora/main.go
+++ b/cmd/debora/main.go
@@ -257,7 +257,7 @@ func cliListProcesses(c *cli.Context) {
 func cliOpenListener(c *cli.Context) {
 	args := c.Args()
 	if len(args) < 1 {
-		Exit("Must specify <listenAddr e.g. 0.0.0.0:46660>")
+		Exit("Must specify <listenAddr e.g. [::]:46661>")
 	}
 	listenAddr := args[0]
 	command := btypes.CommandOpenListener{