diff --git a/app/dashboard/page.jsx b/app/dashboard/page.jsx
index e0a3899..07e212e 100644
--- a/app/dashboard/page.jsx
+++ b/app/dashboard/page.jsx
@@ -13,7 +13,8 @@ import XioPM2Status from "../../components/modulesStatus/XioPM2Status";
 import { Icon } from "@iconify/react";
 
 function Dashboard() {
-  const apiUrl = process.env.NEXT_PUBLIC_API_BASE_URL;
+  //const apiUrl = process.env.NEXT_PUBLIC_API_BASE_URL;
+  const apiUrl = `https://${window.ip}:443`;
   const [last20Messages, setLast20Messages] = useState([]);
   const [kueOnline, setkueOnline] = useState([]);
   const [ip, setIp] = useState("");
diff --git a/app/kabelueberwachung/page.jsx b/app/kabelueberwachung/page.jsx
index 4bcd56c..d35211d 100644
--- a/app/kabelueberwachung/page.jsx
+++ b/app/kabelueberwachung/page.jsx
@@ -3,7 +3,8 @@ import React, { useState, useEffect } from "react";
 import Kue705FO from "../../components/modules/Kue705FO";
 
 function Kabelueberwachung() {
-  const apiUrl = process.env.NEXT_PUBLIC_API_BASE_URL;
+  //const apiUrl = process.env.NEXT_PUBLIC_API_BASE_URL;
+  const apiUrl = `https://${window.ip}:443`;
   const [activeRack, setActiveRack] = useState(1); // Track the active rack
   const [kueIso, setKueIso] = useState([]); // State to store isolation values
   const [kueName, setKueName] = useState([]); // State to store the KUE names
diff --git a/components/Header.jsx b/components/Header.jsx
index d9aec7c..b28bf89 100644
--- a/components/Header.jsx
+++ b/components/Header.jsx
@@ -7,7 +7,8 @@ import { loadWindowVariables } from "../utils/loadWindowVariables"; // Importier
 import SettingsModal from "./modales/SettingsModal";
 
 function Header() {
-  const apiUrl = process.env.NEXT_PUBLIC_API_BASE_URL;
+  // const apiUrl = process.env.NEXT_PUBLIC_API_BASE_URL;
+  const apiUrl = `https://${window.ip}:443`;
   const [stationsname, setStationsname] = useState("Lädt..."); // Platzhalter
   const [cplStatus, setCplStatus] = useState("Lädt...");
   const [showSettingsModal, setShowSettingsModal] = useState(false);
diff --git a/components/modales/KueModal.jsx b/components/modales/KueModal.jsx
index fd40324..f0c817b 100644
--- a/components/modales/KueModal.jsx
+++ b/components/modales/KueModal.jsx
@@ -108,7 +108,7 @@ function KueModal({ showModal, onClose, slot, onModulNameChange }) {
 
     // Falls Änderungen vorhanden sind, die fetch-Requests auslösen
     if (Object.keys(changes).length > 0) {
-      let url = `${process.env.NEXT_PUBLIC_API_BASE_URL}/cpl?Service/kueDetail.HTML&slot=${slot}`;
+      let url = `https://${window.ip}:443/cpl?Service/kueDetail.HTML&slot=${slot}`;
 
       Object.keys(changes).forEach((paramKey) => {
         url += `&${paramKey}${slot}=${encodeURIComponent(changes[paramKey])}`;
@@ -136,7 +136,7 @@ function KueModal({ showModal, onClose, slot, onModulNameChange }) {
   };
 
   const handleDisplayEinschalten = () => {
-    const url = `${process.env.NEXT_PUBLIC_API_BASE_URL}/cpl?Service/kueDetail.HTML&KSD${slot}=1`;
+    const url = `https://${window.ip}:443/cpl?Service/kueDetail.HTML&KSD${slot}=1`;
     fetch(url, { method: "GET" })
       .then((response) => {
         if (response.ok) {
diff --git a/components/modules/Kue705FO.jsx b/components/modules/Kue705FO.jsx
index f006a20..c1a4ec4 100644
--- a/components/modules/Kue705FO.jsx
+++ b/components/modules/Kue705FO.jsx
@@ -114,7 +114,9 @@ function Kue705FO({
     }
 
     let slotFormat = slot < 10 ? `0${slot}` : `${slot}`;
-    const apiUrl = process.env.NEXT_PUBLIC_API_BASE_URL;
+
+    //const apiUrl = process.env.NEXT_PUBLIC_API_BASE_URL;
+    const apiUrl = `https://${window.ip}:443`;
 
     setLoading(true);
     fetch(