diff --git a/vpn/outputs.tf b/vpn/outputs.tf
index c813a28..690591c 100644
--- a/vpn/outputs.tf
+++ b/vpn/outputs.tf
@@ -3,6 +3,7 @@ output "vpn_tunnel_endpoints" {
   value = { for k in keys(local.vpn_settings) : k => {
     site             = k
     customer_address = aws_customer_gateway.vpn[k].ip_address
+    bgp_asn          = aws_customer_gateway.vpn[k].bgp_asn
     tunnel1_bgp_asn  = aws_vpn_connection.vpn[k].tunnel1_bgp_asn
     tunnel2_bgp_asn  = aws_vpn_connection.vpn[k].tunnel2_bgp_asn
     tunnel1_address  = aws_vpn_connection.vpn[k].tunnel1_address