diff --git a/swarm/nextcloud.yml b/swarm/nextcloud.yml
index 36f8892..d24148a 100644
--- a/swarm/nextcloud.yml
+++ b/swarm/nextcloud.yml
@@ -8,7 +8,7 @@ services:
     volumes:
       - db:/var/lib/postgresql/data:Z
     environment:
-      POSTGRES_DB: ${POSTGRES_DB}
+      POSTGRES_DB: ${NEXTCLOUD_POSTGRES_DB}
       POSTGRES_USER: ${POSTGRES_USER}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
     networks:
@@ -31,7 +31,7 @@ services:
     environment:
       POSTGRES_HOST: db
       REDIS_HOST: redis
-      POSTGRES_DB: ${POSTGRES_DB}
+      POSTGRES_DB: ${NEXTCLOUD_POSTGRES_DB}
       POSTGRES_USER: ${POSTGRES_USER}
       POSTGRES_PASSWORD: ${POSTGRES_PASSWORD}
     networks: