diff --git a/main.go b/main.go
index 98042f4..68ddaf5 100644
--- a/main.go
+++ b/main.go
@@ -307,7 +307,7 @@ func main() {
 	body, _ := json.Marshal(p)
 
 	// --- HTTP senden ---
-	url := getenv("DUID_REGISTER_URL", "https://client-ipv6.stadt-hilden.de/register") // <-- ggf. anpassen
+	url := getenv("DUID_REGISTER_URL", "https://dhcp-wol-clients.stadt-hilden.de/register") // <-- ggf. anpassen
 	req, _ := http.NewRequest(http.MethodPost, url, bytes.NewReader(body))
 	req.Header.Set("Content-Type", "application/json")