diff --git a/option/tailscale.go b/option/tailscale.go
index 68a14369..cdb29706 100644
--- a/option/tailscale.go
+++ b/option/tailscale.go
@@ -90,7 +90,7 @@ type DERPMeshOptions struct {
 }
 
 type _DERPSTUNListenOptions struct {
-	Enabled bool
+	Enabled bool `json:"enabled,omitempty"`
 	ListenOptions
 }