diff --git a/scripts/upgrade b/scripts/upgrade
index 813b29e..c357095 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -10,7 +10,7 @@ source _common.sh
 source /usr/share/yunohost/helpers
 
 mautrix_version=$(ynh_app_upstream_version)
-synapse_db_name="matrix_$synapse_instance"
+synapse_db_name="$(get_synapse_db_name $synapse_instance)"
 server_name=$(ynh_app_setting_get --app $synapse_instance --key server_name)
 domain=$(ynh_app_setting_get --app $synapse_instance --key domain)