diff --git a/docker-compose.yml b/docker-compose.yml
index 594e999..d1754c0 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -4,9 +4,9 @@ services:
     image: docker.io/mariadb:lts
     restart: always
     environment:
-      MARIADB_ROOT_PASSWORD
-      MARIADB_USER
-      MARIADB_USER_PASSWORD
+      MARIADB_ROOT_PASSWORD:
+      MARIADB_USER:
+      MARIADB_USER_PASSWORD:
     volumes:
       - ./data:/var/lib/mysql