diff --git a/docker-compose.master.yml b/docker-compose.master.yml
index 0fdc9b3..5202b79 100644
--- a/docker-compose.master.yml
+++ b/docker-compose.master.yml
@@ -13,6 +13,7 @@ services:
       MARIADB_REPLICATION_PASSWORD: ${MARIADB_REPLICA_PASSWORD}
     volumes:
       - mariadb_data:/var/lib/mysql
+      - mariadb_config:/etc/mysql
     networks:
       - pdns_network
     ports:
diff --git a/docker-compose.slave.yml b/docker-compose.slave.yml
index 654a397..5e0c3e0 100644
--- a/docker-compose.slave.yml
+++ b/docker-compose.slave.yml
@@ -12,6 +12,7 @@ services:
       MARIADB_MASTER_HOST: ${MARIADB_MASTER_HOST}
     volumes:
       - mariadb_data:/var/lib/mysql
+      - mariadb_config:/etc/mysql
     networks:
       - pdns_network
     ports: