diff --git a/compose.yaml b/compose.yaml
index b5101ff..1310099 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -1171,7 +1171,7 @@ services:
       - zipline-db:/var/lib/postgresql/data
     environment:
       POSTGRES_USER: ${ZIPLINE_POSTGRES_USER:-zipline}
-      POSTGRES_PASSWORD: ${ZIPLINE_POSTGRES_PASSWORD:-zipline}
+      POSTGRES_PASSWORD: ${ZIPLINE_POSTGRES_PASSWORD?}
       POSTGRES_DB: ${ZIPLINE_POSTGRES_DB:-zipline}
     healthcheck:
       test: ["CMD-SHELL", "pg_isready -U zipline"]