diff --git a/compose/docker-compose.yml b/compose/docker-compose.yml
index 3ea6a4d..5711653 100644
--- a/compose/docker-compose.yml
+++ b/compose/docker-compose.yml
@@ -58,12 +58,12 @@ services:
       args:
         - DS_RO_PASS=${DATASTORE_READONLY_PASSWORD}
         - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
-        - PGDATA=/var/lib/postgresql/data/db
     networks:
       - backend
     environment:
       - DS_RO_PASS=${DATASTORE_READONLY_PASSWORD}
       - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+      - PGDATA=/var/lib/postgresql/data/db
     volumes:
       - pg_data:/var/lib/postgresql/data
     healthcheck:
diff --git a/examples/harvest/docker-compose.yml b/examples/harvest/docker-compose.yml
index 775e75c..f0f2d5f 100644
--- a/examples/harvest/docker-compose.yml
+++ b/examples/harvest/docker-compose.yml
@@ -156,12 +156,12 @@ services:
       args:
         - DS_RO_PASS=${DATASTORE_READONLY_PASSWORD}
         - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
-        - PGDATA=/var/lib/postgresql/data/db
     networks:
       - backend
     environment:
       - DS_RO_PASS=${DATASTORE_READONLY_PASSWORD}
       - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
+      - PGDATA=/var/lib/postgresql/data/db
     volumes:
       - pg_data:/var/lib/postgresql/data
     healthcheck: