diff --git a/ansible/pre-deploy.yml b/ansible/pre-deploy.yml
index 502da66..6bcb2ce 100644
--- a/ansible/pre-deploy.yml
+++ b/ansible/pre-deploy.yml
@@ -20,6 +20,12 @@
       args:
         creates: /var/lib/dokku/services/mariadb/keycloak
 
+    - name: Link mariadb database to application
+      dokku_service_link:
+        app: keycloak
+        name: keycloak
+        service: mariadb
+
     - name: Specify mariadb docker volume mounts
       dokku_storage:
         app: keycloak
@@ -31,7 +37,7 @@
         app: keycloak
         restart: false
         config:
-          DB_ADDR: "dokku-mariadb-keycloak"
+          DB_ADDR: "dokku-mariadb-keycloak:3306"
           DB_DATABASE: "keycloak"
           DB_PASSWORD: "{{ db_passwd }}"
           DB_USER: "mariadb" # https://github.com/dokku/dokku-mariadb/issues/89