diff --git a/protocols/luci-proto-wireguard/htdocs/luci-static/resources/protocol/wireguard.js b/protocols/luci-proto-wireguard/htdocs/luci-static/resources/protocol/wireguard.js
index 29a9687fca..b8590886c3 100644
--- a/protocols/luci-proto-wireguard/htdocs/luci-static/resources/protocol/wireguard.js
+++ b/protocols/luci-proto-wireguard/htdocs/luci-static/resources/protocol/wireguard.js
@@ -737,7 +737,7 @@ return network.registerProtocol('wireguard', {
 
 				let qrm, qrs, qro;
 
-				qrm = new form.JSONMap({ config: { endpoint: hostnames[0], allowed_ips: ips, addresses: eips, dns_servers: dns } }, null, _('The generated configuration can be imported into a WireGuard client application to set up a connection towards this device.'));
+				qrm = new form.JSONMap({ config: { endpoint: hostnames[0] || '', allowed_ips: ips, addresses: eips, dns_servers: dns } }, null, _('The generated configuration can be imported into a WireGuard client application to set up a connection towards this device.'));
 				qrm.parent = parent;
 
 				qrs = qrm.section(form.NamedSection, 'config');