diff --git a/templates/Joomla/0/docker-compose.yml b/templates/Joomla/0/docker-compose.yml
index 2eaaf47..ba4c859 100644
--- a/templates/Joomla/0/docker-compose.yml
+++ b/templates/Joomla/0/docker-compose.yml
@@ -9,7 +9,7 @@ services:
       - 2606:4700:4700::1111
       - 2606:4700:4700::1001
     environment:
-      JOOMLA_DB_HOST: postgres
+      JOOMLA_DB_HOST: postgres:5432
       JOOMLA_DB_NAME: joomla_db
       JOOMLA_DB_USER: joomla_user
       JOOMLA_DB_PASSWORD: ${DB_USER_PASS}