diff --git a/roles/nextcloud-docker/files/nextcloud/db/custom.cnf b/roles/nextcloud-docker/files/nextcloud/db/custom.cnf
new file mode 100644
index 0000000..958fd08
--- /dev/null
+++ b/roles/nextcloud-docker/files/nextcloud/db/custom.cnf
@@ -0,0 +1,3 @@
+[mysqld]
+innodb_buffer_pool_size=2G
+
diff --git a/roles/nextcloud-docker/files/nextcloud/docker-compose.yml b/roles/nextcloud-docker/files/nextcloud/docker-compose.yml
index 1386d83..feec937 100644
--- a/roles/nextcloud-docker/files/nextcloud/docker-compose.yml
+++ b/roles/nextcloud-docker/files/nextcloud/docker-compose.yml
@@ -43,6 +43,7 @@ services:
     image: mariadb
     volumes:
       - /var/lib/mariadb/nextcloud:/var/lib/mysql
+      - ./db/custom.cnf:/etc/mysql/conf.d/custom.cnf
       - /backups/nextcloud:/backups
       - /etc/localtime:/etc/localtime:ro
     environment: