diff --git a/roles/docker-discourse/templates/app.yml.j2 b/roles/docker-discourse/templates/app.yml.j2
index ecf3324d..607a0d39 100644
--- a/roles/docker-discourse/templates/app.yml.j2
+++ b/roles/docker-discourse/templates/app.yml.j2
@@ -127,5 +127,7 @@ run:
   - exec: echo "End of custom commands"
 
 docker_args:
+{% if enable_central_database | bool %}
   - --network=central_{{ database_type }}_network
+{% endif %}
   - --name=discourse_application