diff --git a/docker-compose.yml b/docker-compose.yml
index ee61fe1..32d4de9 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -45,10 +45,12 @@
         retries: 10
       environment:
         - MYSQL_ROOT_PASSWORD=${OPENHAB_DATABASE_ROOT}
-        - MYSQL_DATABASE=${OPENHAB_DATABASE_NAME}
-        - MYSQL_USER=${OPENHAB_DATABASE_USER}
+        - MYSQL_DATABASE=openhab
+        - MYSQL_USER=openhab
         - MYSQL_PASSWORD=${OPENHAB_DATABASE_PASSWORD}
       volumes:
+        - /etc/localtime:/etc/localtime:ro
+        - /etc/timezone:/etc/timezone:ro
         - ./data/db/:/var/lib/mysql/
         - ./conf/mariadb:/etc/mysql/conf.d/:ro
       networks:
diff --git a/openhab.conf.example b/openhab.conf.example
index 5b7ccc0..935b91b 100644
--- a/openhab.conf.example
+++ b/openhab.conf.example
@@ -23,16 +23,10 @@
 
 
 ## database configuration
-# root user password
+# root password
 OPENHAB_DATABASE_ROOT=rootpw
 
-# database for openhab
-OPENHAB_DATABASE_NAME=openhab
-
-# database user
-OPENHAB_DATABASE_USER=openhab
-
-# database password
+# user password
 OPENHAB_DATABASE_PASSWORD=dbpw