diff --git a/services/modules/llm-chat_gpt/chatgpt.js b/services/modules/llm-chat_gpt/chatgpt.js
index 93b9746..95afd56 100644
--- a/services/modules/llm-chat_gpt/chatgpt.js
+++ b/services/modules/llm-chat_gpt/chatgpt.js
@@ -8,7 +8,7 @@ if (!fs.existsSync(outputDir)) {
 }
 
 // Ensure SAIA API key is set in environment variables: export SAIA_API_KEY="your_api_key_here"
-const SAIA_API_KEY = process.env.SAIA_API_KEY; // Ensure SAIA API key is set in environment variables
+let SAIA_API_KEY // Ensure SAIA API key is set in environment variables
 const SAIA_URL = "https://chat-ai.academiccloud.de/v1/chat/completions"; // URL for the REST call, used model and action
 
 const module_exports = {
@@ -18,6 +18,7 @@ const module_exports = {
     description: "Generates documents using OpenAI GPT OSS 120B via SAIA platform",
 
     async function(parameter) {
+        SAIA_API_KEY = process.env.SAIA_API_KEY;
         return new Promise(async (resolve, reject) => {
             try {
                 // console.log("SAIA OpenAI GPT module invoked with parameters:", parameter);
diff --git a/services/modules/llm-gemini/gemini.js b/services/modules/llm-gemini/gemini.js
index beff750..ff7e361 100644
--- a/services/modules/llm-gemini/gemini.js
+++ b/services/modules/llm-gemini/gemini.js
@@ -8,7 +8,7 @@ if (!fs.existsSync(outputDir)) {
 }
 
 // Ensure Google API key is set in environment variables: export GOOGLE_API_KEY="your_api_key_here"
-const GEMINI_API_KEY = process.env.GOOGLE_API_KEY; // Ensure Google API key is set in environment variables: export GOOGLE_API_KEY="your_api_key_here"
+let GEMINI_API_KEY; // Ensure Google API key is set in environment variables: export GOOGLE_API_KEY="your_api_key_here"
 const GEMINI_URL = "https://generativelanguage.googleapis.com/v1beta/models/gemini-2.5-flash:generateContent"; // URL for the REST call, used model and action
 
 const module_exports = {
@@ -18,6 +18,7 @@ const module_exports = {
     description: "Generates documents using Google Gemini LLM",
 
     async function(parameter) {
+        GEMINI_API_KEY = process.env.GOOGLE_API_KEY;
         return new Promise(async (resolve, reject) => {
             try {
                 // console.log("Gemini LLM module invoked with parameters:", parameter);
diff --git a/services/modules/quen3/qwen3.js b/services/modules/quen3/qwen3.js
index 0bc913a..349c0b2 100644
--- a/services/modules/quen3/qwen3.js
+++ b/services/modules/quen3/qwen3.js
@@ -8,7 +8,7 @@ if (!fs.existsSync(outputDir)) {
 }
 
 // Ensure SAIA API key is set in environment variables: export SAIA_API_KEY="your_api_key_here"
-const SAIA_API_KEY = process.env.SAIA_API_KEY;
+let SAIA_API_KEY;
 const SAIA_URL = "https://chat-ai.academiccloud.de/v1/chat/completions"; // URL for the REST call, used model and action
 
 const module_exports = {
@@ -18,6 +18,7 @@ const module_exports = {
     description: "Generates documents using QWEN 3 235B via SAIA platform",
 
     async function(parameter) {
+        SAIA_API_KEY = process.env.SAIA_API_KEY;
         return new Promise(async (resolve, reject) => {
             try {
                 // console.log("SAIA QWEN 3 235B module invoked with parameters:", parameter);
diff --git a/services/modules/transcription-remote/assembly.js b/services/modules/transcription-remote/assembly.js
index 442d290..1e33e4f 100644
--- a/services/modules/transcription-remote/assembly.js
+++ b/services/modules/transcription-remote/assembly.js
@@ -1,4 +1,4 @@
-const API_KEY = process.env.ASSEMBLYAI_API_KEY;
+let API_KEY
 const BASE_URL = 'https://api.assemblyai.com/v2';
 
 //---------------------------------------------------Upload audio---------------------------------------------------
@@ -92,6 +92,7 @@ module.exports = {
   audioformat: "mp3",
 
   async function(audioFileName) {
+    API_KEY = process.env.ASSEMBLYAI_API_KEY;
     return new Promise(async (resolve, reject) => {
       try {
         // audioFileName ist nur "datei.mp3"