diff --git a/client/utils/socket.ts b/client/utils/socket.ts
index 1c83d73..ab67f6f 100644
--- a/client/utils/socket.ts
+++ b/client/utils/socket.ts
@@ -1,5 +1,5 @@
 import { io } from 'socket.io-client'
 
-export const socket = io("http://192.168.1.198:3000", {
+export const socket = io(process.env.EXPO_PUBLIC_TRAINTRAPE_MOI_SERVER, {
   reconnection: true,
 })
diff --git a/server/.env.example b/server/.env.example
index 89bc53a..19bcfcb 100644
--- a/server/.env.example
+++ b/server/.env.example
@@ -1,3 +1,4 @@
 DATABASE_URL="postgres://username:password@localhost:5432/traintrape-moi"
 JWT_SECRET="CHANGE_ME"
 API_GLOBAL_PREFIX="api"
+API_HOSTNAME="traintrape-moi.luemy.eu"
diff --git a/server/src/geolocations/geolocations.gateway.ts b/server/src/geolocations/geolocations.gateway.ts
index 4e0d065..06fc795 100644
--- a/server/src/geolocations/geolocations.gateway.ts
+++ b/server/src/geolocations/geolocations.gateway.ts
@@ -1,7 +1,9 @@
 import { SubscribeMessage, WebSocketGateway, WebSocketServer } from '@nestjs/websockets'
 import { Server, Socket } from 'socket.io'
 
-@WebSocketGateway()
+@WebSocketGateway({
+  cors: { allowedHeaders: process.env.API_HOSTNAME },
+})
 export class GeolocationsGateway {
   @WebSocketServer()
   server: Server