diff --git a/backend/.env.example b/backend/.env.example
index 4da92c7..9a90760 100644
--- a/backend/.env.example
+++ b/backend/.env.example
@@ -13,6 +13,8 @@ CLIENT_SECRET=[client secret]
 API_KEY=[api-key id]:[api-key] # pre-shared token
 SECRET=some_random_long_string
 
+FRONTEND_URL=http://localhost:3001 # URL to the frontend used for proxying
+
 REDIS_HOST=localhost
 REDIS_PORT=6379
 REDIS_PASS=""