diff --git a/upper/services/wg/wg.go b/upper/services/wg/wg.go
index 0feffbb..a23a3c1 100644
--- a/upper/services/wg/wg.go
+++ b/upper/services/wg/wg.go
@@ -71,6 +71,9 @@ func (wg *WG) init(srcport, dstport uint16) {
 	}
 	for _, p := range wg.c.Peers {
 		for _, ip := range p.AllowedIPs {
+			if len(ip) == 0 || ip[0] == 'x' {
+				continue
+			}
 			ipnet, _, err := net.ParseCIDR(ip)
 			if err != nil {
 				panic(err)