diff --git a/docker-compose.master.yml b/docker-compose.master.yml
index 5f73970..83ceb8e 100644
--- a/docker-compose.master.yml
+++ b/docker-compose.master.yml
@@ -20,8 +20,8 @@ services:
     environment:
       PDNS_gmysql_host: mariadb
       PDNS_gmysql_port: 3306
-      PDNS_gmysql_user: ${PDNS_GMYSQL_USER}
-      PDNS_gmysql_password: ${PDNS_GMYSQL_PASSWORD}
+      PDNS_gmysql_user: ${MARIADB_USER}
+      PDNS_gmysql_password: ${MARIADB_PASSWORD}
       PDNS_gmysql_dbname: ${MARIADB_DATABASE}
       PDNS_primary: yes
       PDNS_api: yes