diff --git a/docker/env.example b/docker/env.example
index cd48ba6..dc73221 100644
--- a/docker/env.example
+++ b/docker/env.example
@@ -2,6 +2,8 @@ POSTGRES_USER=trader
 POSTGRES_PASSWORD=trader
 POSTGRES_DB=trader
 
+DJANGO_SETTINGS_MODULE=pypolo.settings
+
 POLONIEX_API_KEY=
 POLONIEX_API_SECRET=