diff --git a/deploy.d/config.yml b/deploy.d/config.yml
index f69d5bb..e796b1d 100644
--- a/deploy.d/config.yml
+++ b/deploy.d/config.yml
@@ -8,7 +8,7 @@ db:
 
 env:
   DB_ADDR: "{{ dokku_mariadb_db_addr }}"
-  DB_DATABASE: "keycloak-v2"
+  DB_DATABASE: "keycloak_v2"
   DB_PASSWORD: "{{ db_passwd }}"
   DB_USER: "{{ dokku_mariadb_db_user }}"
   DB_VENDOR: "mariadb"