diff --git a/inventory/group_vars/arm-retrace b/inventory/group_vars/arm-retrace
index 98ed9bc14f..e2a2e88f9b 100644
--- a/inventory/group_vars/arm-retrace
+++ b/inventory/group_vars/arm-retrace
@@ -6,3 +6,5 @@ freezes: false
 #
 libdir: /usr/lib
 sudoers: "{{ private }}/files/sudo/arm-retrace-sudoers"
+
+tcp_ports: [ 80 ]