diff --git a/web/.env.example b/web/.env.example
index 5a999e4..da8a6d1 100644
--- a/web/.env.example
+++ b/web/.env.example
@@ -1,2 +1,2 @@
 # endpoint for serverless function
-API_URL=http://localhost:9999
+PREACT_APP_API_URL=http://localhost:9999