diff --git a/.env b/.env
index b0b3339..546105c 100644
--- a/.env
+++ b/.env
@@ -1,7 +1,8 @@
 # don't forget to add the minus before the version
 # example: VERSION=-3.2.0-1
-IMAGE_REPO=zammad/zammad-docker-compose
+IMAGE_REPO=monotek/zammad-docker-compose
 VERSION=
 RESTART=always
 POSTGRES_USER=zammad
 POSTGRES_PASS=zammad
+POSTGRES_DB=zammad_production
diff --git a/containers/zammad-postgresql/backup.sh b/containers/zammad-postgresql/backup.sh
index ec620f3..77793b5 100644
--- a/containers/zammad-postgresql/backup.sh
+++ b/containers/zammad-postgresql/backup.sh
@@ -33,7 +33,7 @@ function zammad_backup {
   fi
 
   #db backup
-  pg_dump --dbname=postgresql://"${POSTGRESQL_USER}:${POSTGRES_PASSWORD}"@"${POSTGRESQL_HOST}":"${POSTGRESQL_PORT}"/"${POSTGRESQL_DB}" | gzip > "${BACKUP_DIR}"/"${TIMESTAMP}"_zammad_db.psql.gz
+  pg_dump --dbname=postgresql://"${POSTGRESQL_USER}:${POSTGRESQL_PASSWORD}"@"${POSTGRESQL_HOST}":"${POSTGRESQL_PORT}"/"${POSTGRESQL_DB}" | gzip > "${BACKUP_DIR}"/"${TIMESTAMP}"_zammad_db.psql.gz
 }
 
 if [ "$1" = 'zammad-backup' ]; then
diff --git a/docker-compose.yml b/docker-compose.yml
index 844ae72..7f91f07 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -17,8 +17,8 @@ services:
     environment:
       - BACKUP_SLEEP=86400
       - HOLD_DAYS=10
-      - POSTGRES_USER=${POSTGRES_USER}
-      - POSTGRES_PASSWORD=${POSTGRES_PASS}
+      - POSTGRESQL_USER=${POSTGRES_USER}
+      - POSTGRESQL_PASSWORD=${POSTGRES_PASS}
 
   zammad-elasticsearch:
     image: ${IMAGE_REPO}:zammad-elasticsearch${VERSION}
@@ -67,6 +67,7 @@ services:
     environment:
       - POSTGRES_USER=${POSTGRES_USER}
       - POSTGRES_PASSWORD=${POSTGRES_PASS}
+      - POSTGRES_DB=${POSTGRES_DB}
 
   zammad-railsserver:
     command: ["zammad-railsserver"]