diff --git a/scripts/upgrade b/scripts/upgrade
index 038403f..cf77d39 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -11,7 +11,7 @@ source /usr/share/yunohost/helpers
 
 server_name=$(ynh_app_setting_get --app=$app --key=server_name)
 
-synapse_db_name="matrix_$synapse_instance"
+synapse_db_name="$(get_synapse_db_name $synapse_instance)"
 bot_synapse_db_user="@$botname:$server_name"
 appserviceid=$app