diff --git a/docker-compose.yaml b/docker-compose.yaml
index e914c42..8177515 100644
--- a/docker-compose.yaml
+++ b/docker-compose.yaml
@@ -498,6 +498,7 @@ services:
     container_name: up-mavt-suite-frontend
     environment:
       VITE_API_URL: http://localhost:5000/api
+      __VITE_ADDITIONAL_SERVER_ALLOWED_HOSTS: .psi.ch
     depends_on:
       - up-mavt-suite-backend
     networks: