diff --git a/conf/.env b/conf/.env
index cf052a1..826bd69 100644
--- a/conf/.env
+++ b/conf/.env
@@ -20,7 +20,7 @@ INVITE_ONLY=true
 # uncomment in order to NOT automatically change the database schema when you upgrade the app
 # DISABLE_DB_AUTOMIGRATION=true
 # max file upload size (default is 20 meg)
-UPLOAD_LIMIT=MEDIA_UPLOAD_SIZE
+UPLOAD_LIMIT=__MEDIA_UPLOAD_SIZE__
 # ====================================
 # You should not have to edit any of the following ones:
 POSTGRES_HOST=localhost