diff --git a/docker-compose.yml b/docker-compose.yml
index f34fe32..55ac03a 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -26,7 +26,7 @@ services:
       - /etc/localtime:/etc/localtime:ro
     environment:
       - MYSQL_RANDOM_ROOT_PASSWORD=yes
-      - - MYSQL_DATABASE=${DB_NAME:-db}
+      - - MYSQL_DATABASE=${DB_HOST:-db}
       - MYSQL_DATABASE=${DB_NAME:-nextcloud}
       - MYSQL_USER=${DB_USER:-nextcloud}
       - MYSQL_PASSWORD=${DB_PASS:-nextcloudpasswd}