diff --git a/zabbix/docker-compose.yml b/zabbix/docker-compose.yml
index c417726..29470f0 100644
--- a/zabbix/docker-compose.yml
+++ b/zabbix/docker-compose.yml
@@ -1,7 +1,9 @@
 version: '3.7'
 volumes:
   zabbix_alert_scripts:
+    external: true
   zabbix_pgsql_database:
+    external: true
 
 services:
   postgres-server:    # The Postgres Database Service