diff --git a/manifest.toml b/manifest.toml
index 365e534..b62a6d1 100644
--- a/manifest.toml
+++ b/manifest.toml
@@ -71,6 +71,7 @@ dns_over_http.default = 853
 dns_over_http.exposed = "Both"
 dns_over_quic.default = 784
 dns_over_quic.exposed = "UDP"
+main.default = 13120
 
 [resources.system_user]