diff --git a/argocd/apps/openproject/values-openproject.yaml b/argocd/apps/openproject/values-openproject.yaml
index 03db905..a2175b9 100644
--- a/argocd/apps/openproject/values-openproject.yaml
+++ b/argocd/apps/openproject/values-openproject.yaml
@@ -29,8 +29,10 @@ spec:
               # hosts:
               #   - openproject.innovation-hub-niedersachsen.de
         openproject:
-          https: true
+          https: false
+          hsts: false
           seed_locale: "en"
+          railsRelativeUrlRoot: "/openproject"
           ## Define admin user details
           # only applicable on first installation
           # c.f. https://www.openproject.org/docs/installation-and-operations/configuration/#initial-admin-user-creation