diff --git a/docker/kolab/utils/04-reset-mysql-kolab-password.sh b/docker/kolab/utils/04-reset-mysql-kolab-password.sh
index e0014f4d..0692de4f 100755
--- a/docker/kolab/utils/04-reset-mysql-kolab-password.sh
+++ b/docker/kolab/utils/04-reset-mysql-kolab-password.sh
@@ -1,12 +1,12 @@
 #!/bin/bash
 
 sqlpw=$(grep ^sql_uri /etc/kolab/kolab.conf | awk -F':' '{print $3}' | awk -F'@' '{print $1}')
 
-mysql -h ${DB_HOST} -u root --password=${DB_ROOT_PASSWORD} \
+mysql -h ${DB_HOST:-127.0.0.1} -u root --password=${DB_ROOT_PASSWORD:-Welcome2KolabSystems} \
     -e "SET PASSWORD FOR '${DB_HKCCP_USERNAME:-kolabdev}'@'%' = PASSWORD('${DB_HKCCP_PASSWORD:-Welcome2KolabSystems}');"
 
-mysql -h ${DB_HOST} -u root --password=${DB_ROOT_PASSWORD} \
+mysql -h ${DB_HOST:-127.0.0.1} -u root --password=${DB_ROOT_PASSWORD:-Welcome2KolabSystems} \
     -e "SET PASSWORD FOR '${DB_KOLAB_USERNAME:-kolab}'@'%' = PASSWORD('${DB_KOLAB_PASSWORD:=$sqlpw}');"
 
-mysql -h ${DB_HOST} -u root --password=${DB_ROOT_PASSWORD} \
+mysql -h ${DB_HOST:-127.0.0.1} -u root --password=${DB_ROOT_PASSWORD:-Welcome2KolabSystems} \
     -e "SET PASSWORD FOR '${DB_RC_USERNAME:-roundcube}'@'%' = PASSWORD('${DB_RC_PASSWORD:-Welcome2KolabSystems}');"