diff --git a/tasks/nextcloud.yml b/tasks/nextcloud.yml
index 1479fc0..607d6b4 100755
--- a/tasks/nextcloud.yml
+++ b/tasks/nextcloud.yml
@@ -15,7 +15,7 @@
     creates: "{{ ncloud_data_location }}/index.html"
     cmd: >
       php occ maintenance:install
-      --database '{{ ncloud_db.type }}'
+      --database '{{ ncloud_db_mapping[ncloud_db.type] }}'
       --database-name '{{ ncloud_db.name }}'
       --database-user '{{ ncloud_db.user }}'
       --database-pass '{{ ncloud_db.pass }}'
diff --git a/vars/main.yml b/vars/main.yml
index 87b003d..9be0ae2 100755
--- a/vars/main.yml
+++ b/vars/main.yml
@@ -10,4 +10,10 @@ ncloud_notify_trusted_proxies:
   - "127.0.0.1"
   - "::1"
   - "{{ hostvars[inventory_hostname]['ansible_default_ipv4']['address'] }}"
-  - "{{ hostvars[inventory_hostname]['ansible_default_ipv6']['address'] }}"
\ No newline at end of file
+  - "{{ hostvars[inventory_hostname]['ansible_default_ipv6']['address'] }}"
+
+ncloud_db_mapping:  {
+  'pgsql': 'postgres',
+  'mariadb': 'mysql',
+  'mysql': 'mysql'
+}