diff --git a/templates/ephemera-docker-compose.yml.j2 b/templates/ephemera-docker-compose.yml.j2
index 3f7fc26..1a4b842 100644
--- a/templates/ephemera-docker-compose.yml.j2
+++ b/templates/ephemera-docker-compose.yml.j2
@@ -39,9 +39,9 @@ services:
   ephemera_postgres_db:
     image: postgres
     environment:
-      POSTGRES_DB=postgres
-      POSTGRES_USER=postgres
-      POSTGRES_PASSWORD=postgres
+      - POSTGRES_DB=postgres
+      - POSTGRES_USER=postgres
+      - POSTGRES_PASSWORD=postgres
     networks:
       - ephemera-net
     volumes: