diff --git a/roles/keystone/scripts/initialize_db.sh b/roles/keystone/scripts/initialize_db.sh
index 0f56b5f..62b2d5d 100644
--- a/roles/keystone/scripts/initialize_db.sh
+++ b/roles/keystone/scripts/initialize_db.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 # Start a mariadb container to use its mysql client to initialize the keystone database.
-docker run -i mariadb:10.1.22 mysql -uroot -pgeheim --host "$1" << EOF
+docker run --rm -i mariadb:10.1.22 mysql -uroot -pgeheim --host "$1" << EOF
 CREATE DATABASE IF NOT EXISTS keystone;
 GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'localhost' IDENTIFIED BY 'keystone';
 GRANT ALL PRIVILEGES ON keystone.* TO 'keystone'@'%' IDENTIFIED BY 'keystone';