diff --git a/app.go b/app.go
index b9f6417..c9f1b6e 100644
--- a/app.go
+++ b/app.go
@@ -47,6 +47,9 @@ type TSNode struct {
 	// Ephemeral specifies whether the node should be registered as ephemeral.
 	Ephemeral bool `json:"ephemeral,omitempty" caddy:"namespace=tailscale.ephemeral"`
 
+	// Hostname is the hostname to use when registering the node.
+	Hostname string `json:"hostname,omitempty" caddy:"namespace=tailscale.hostname"`
+
 	name string
 }
 
@@ -137,6 +140,11 @@ func parseTSNode(d *caddyfile.Dispenser) (TSNode, error) {
 			node.ControlURL = segment.Val()
 		case "ephemeral":
 			node.Ephemeral = true
+		case "hostname":
+			if !segment.NextArg() {
+				return node, segment.ArgErr()
+			}
+			node.Hostname = segment.Val()
 		default:
 			return node, segment.Errf("unrecognized subdirective: %s", segment.Val())
 		}
diff --git a/module.go b/module.go
index 31d7427..35c0968 100644
--- a/module.go
+++ b/module.go
@@ -103,7 +103,6 @@ func getNode(ctx caddy.Context, name string) (*tailscaleNode, error) {
 
 	s, _, err := nodes.LoadOrNew(name, func() (caddy.Destructor, error) {
 		s := &tsnet.Server{
-			Hostname: name,
 			Logf: func(format string, args ...any) {
 				app.logger.Sugar().Debugf(format, args...)
 			},
@@ -116,6 +115,9 @@ func getNode(ctx caddy.Context, name string) (*tailscaleNode, error) {
 		if s.ControlURL, err = getControlURL(name, app); err != nil {
 			return nil, err
 		}
+		if s.Hostname, err = getHostname(name, app); err != nil {
+			return nil, err
+		}
 
 		if name != "" {
 			// Set config directory for tsnet.  By default, tsnet will use the name of the
@@ -182,6 +184,19 @@ func getEphemeral(name string, app *TSApp) bool {
 	return app.Ephemeral
 }
 
+func getHostname(name string, app *TSApp) (string, error) {
+	if app == nil {
+		return name, nil
+	}
+	if node, ok := app.Nodes[name]; ok {
+		if node.Hostname != "" {
+			return repl.ReplaceOrErr(node.Hostname, true, true)
+		}
+	}
+
+	return name, nil
+}
+
 // tailscaleNode is a wrapper around a tsnet.Server that provides a fully self-contained Tailscale node.
 // This node can listen on the tailscale network interface, or be used to connect to other nodes in the tailnet.
 type tailscaleNode struct {