diff --git a/services/apiService.js b/services/apiService.js
index ec4686677..be6921939 100644
--- a/services/apiService.js
+++ b/services/apiService.js
@@ -141,9 +141,13 @@ export const fetchDeviceNameById = async (idLD) => {
 // ----------------------------------------------
 // services/apiService.js
 export const fetchUserRights = async () => {
-  //idMap und idUser von URL Parameter hersuslesen
+  // Aktuelle URL abrufen
+  const url = new URL(window.location.href);
+
+  // idMap und idUser von URL-Parametern abrufen
   const idMap = url.searchParams.get("m");
   const idUser = url.searchParams.get("u");
+
   // Zähler für API-Aufrufe in localStorage speichern
   let userRightsRequestCount = localStorage.getItem("userRightsRequestCount") || 0;
   userRightsRequestCount++;
@@ -151,9 +155,15 @@ export const fetchUserRights = async () => {
   console.log(`fetchUserRights wurde ${userRightsRequestCount} Mal aufgerufen.`);
 
   try {
+    // Basis-URL ohne Port abrufen
+    const protocol = window.location.protocol; // z. B. 'http:' oder 'https:'
+    const hostname = window.location.hostname; // z. B. 'example.com'
+    const originWithoutPort = `${protocol}//${hostname}`; // z. B. 'https://example.com'
+
     console.log("originWithoutPort in fetchUserRights", originWithoutPort);
     console.log("idMap in fetchUserRights", idMap);
     console.log("idUser in fetchUserRights", idUser);
+
     const response = await fetch(`${originWithoutPort}/talas5/ClientData/WebserviceMap.asmx/GisSystemStatic?idMap=${idMap}&idUser=${idUser}`, {
       method: "GET",
       headers: {
@@ -172,7 +182,7 @@ export const fetchUserRights = async () => {
       throw new Error("Invalid response structure");
     }
 
-    const rightsArray = data.Rights; // Nehmen an, dass 'Rights' das Array von Rechten ist
+    const rightsArray = data.Rights; // Rechte-Array abrufen
     const userRightsIds = rightsArray.map((right) => right.IdRight);
 
     return userRightsIds;