diff --git a/templates/portal/docker-compose.erb.yaml b/templates/portal/docker-compose.erb.yaml
index 9d47ed7..3d61bc9 100644
--- a/templates/portal/docker-compose.erb.yaml
+++ b/templates/portal/docker-compose.erb.yaml
@@ -60,7 +60,7 @@ services:
     volumes:
       - /opt/portal/config.yaml:/app/config.yaml
     environment:
-      - VIRTUAL_HOST=portal/<%= @domain %>
+      - VIRTUAL_HOST=portal.<%= @domain %>
       - VIRTUAL_PATH=/
       - VIRTUAL_PORT=8080
       - LETSENCRYPT_HOST=portal.<%= @domain %>