diff --git a/package.json b/package.json
index 77e18fe..ee6d51c 100644
--- a/package.json
+++ b/package.json
@@ -25,7 +25,7 @@
     "build-visu": "cd ../visualization-component && yarn build:webcomponents",
     "build": "npm run electron:serve-tsc && ng build --base-href ./",
     "build:dev": "npm run build -- -c dev",
-    "build:prod": "npm run build -- -c production && npm run removeMocks",
+    "build:prod": "node set-env.js && npm run build -- -c production && npm run removeMocks",
     "web:build": "npm run build -- -c web-production",
     "electron": "electron",
     "electron:serve-tsc": "tsc -p tsconfig.serve.json",
diff --git a/scripts/set-env.js b/scripts/set-env.js
new file mode 100644
index 0000000..146d66d
--- /dev/null
+++ b/scripts/set-env.js
@@ -0,0 +1,12 @@
+const fs = require("fs");
+
+const envFilePath = "./src/environments/environment.prod.ts";
+let envFileContent = fs.readFileSync(envFilePath, "utf8");
+const trackerId = process.env.TRACKER_ID;
+if (!envFileContent.includes("TRACKER_ID")) {
+  envFileContent = envFileContent.replace(
+    /}\s*$/,
+    `  TRACKER_ID: "${trackerId}",\n}`
+  );
+}
+fs.writeFileSync(envFilePath, envFileContent);
diff --git a/src/environments/environment.dev.ts b/src/environments/environment.dev.ts
index 4b48ddf..3fe3326 100644
--- a/src/environments/environment.dev.ts
+++ b/src/environments/environment.dev.ts
@@ -1,5 +1,4 @@
 export const APP_CONFIG = {
   production: false,
   environment: 'DEV',
-  TRACKER_ID: process.env.TRACKER_ID,
 };
diff --git a/src/environments/environment.prod.ts b/src/environments/environment.prod.ts
index 8335552..eb2269c 100644
--- a/src/environments/environment.prod.ts
+++ b/src/environments/environment.prod.ts
@@ -1,5 +1,4 @@
 export const APP_CONFIG = {
   production: true,
   environment: 'PROD',
-  TRACKER_ID: process.env.TRACKER_ID,
 };
diff --git a/src/environments/environment.ts b/src/environments/environment.ts
index b00b2e0..fd538c5 100644
--- a/src/environments/environment.ts
+++ b/src/environments/environment.ts
@@ -1,5 +1,4 @@
 export const APP_CONFIG = {
   production: false,
   environment: 'LOCAL',
-  TRACKER_ID: process.env.TRACKER_ID,
 };