diff --git a/tdx-dummy/dummy-tdx-dcap.service b/tdx-dummy/dummy-tdx-dcap.service
index f3feae4..8eda1cd 100644
--- a/tdx-dummy/dummy-tdx-dcap.service
+++ b/tdx-dummy/dummy-tdx-dcap.service
@@ -7,7 +7,7 @@ Wants=network-setup.service
 Type=exec
 User=root
 Group=root
-ExecStart=/usr/bin/dummy-tdx-dcap --listen-addr 0.0.0.0:8080
+ExecStart=/usr/bin/dummy-tdx-dcap --listen-addr 0.0.0.0:80
 Restart=on-failure
 RestartSec=10
 StandardOutput=journal