diff --git a/conf/ynh_urls.py b/conf/ynh_urls.py
index 1d2efb2..8140ee5 100644
--- a/conf/ynh_urls.py
+++ b/conf/ynh_urls.py
@@ -1,28 +1,21 @@
 from django.conf import settings
-from django.conf.urls import include, static, url
-from django.conf.urls.i18n import i18n_patterns
 from django.contrib import admin
 from django.urls import path
 from django.views.generic import RedirectView
-from for_runners.views.media_files import UserMediaView
-
-admin.autodiscover()
 
 
-urlpatterns = i18n_patterns(
-    path("{settings.PATH_URL}/admin/", admin.site.urls),
+# settings.PATH_URL is the $YNH_APP_ARG_PATH
+if settings.PATH_URL:
+    admin.autodiscover()
 
-    # FIXME:
-    # until there is not real CMS pages: redirect to the interesting admin page:
-    url(r"^{settings.PATH_URL}/$", RedirectView.as_view(pattern_name='admin:index')),
-)
+    urlpatterns = [
+        # TODO:
+        # XXX: Hack - the MEDIA_URL contains the "PATH_URL" already:
+        # path(settings.MEDIA_URL.lstrip('/'), include('django_tools.serve_media_app.urls')),
 
-
-urlpatterns = [
-    # TODO: Change from user name to ID?
-    path('{settings.PATH_URL}/media/<slug:user_name>/<path:path>', UserMediaView.as_view()),
-] + urlpatterns
-
-if settings.DEBUG:
-    import debug_toolbar
-    urlpatterns = [url(r'^__debug__/', include(debug_toolbar.urls))] + urlpatterns
+        path(f'{settings.PATH_URL}/admin/', admin.site.urls),
+        path('', RedirectView.as_view(pattern_name='admin:index')),
+    ]
+else:
+    # Installed to domain root, without a path prefix?
+    from inventory_project.urls import urlpatterns  # noqa