diff --git a/pwa/app_settings.py b/pwa/app_settings.py
index 444a5a6..ed33652 100644
--- a/pwa/app_settings.py
+++ b/pwa/app_settings.py
@@ -1,7 +1,12 @@
 """ Settings required by django-app. """
 from django.conf import settings
+from django.shortcuts import resolve_url
+from django.urls import get_script_prefix
 import os
 
+# Get script prefix for apps not mounted under /
+_PWA_SCRIPT_PREFIX = get_script_prefix()
+
 # Path to the service worker implementation.  Default implementation is empty.
 PWA_SERVICE_WORKER_PATH = getattr(settings, 'PWA_SERVICE_WORKER_PATH',
                                   os.path.join(os.path.abspath(os.path.dirname(__file__)), 'templates',
@@ -9,15 +14,15 @@ PWA_SERVICE_WORKER_PATH = getattr(settings, 'PWA_SERVICE_WORKER_PATH',
 # App parameters to include in manifest.json and appropriate meta tags
 PWA_APP_NAME = getattr(settings, 'PWA_APP_NAME', 'MyApp')
 PWA_APP_DESCRIPTION = getattr(settings, 'PWA_APP_DESCRIPTION', 'My Progressive Web App')
-PWA_APP_ROOT_URL = getattr(settings, 'PWA_APP_ROOT_URL', '/')
+PWA_APP_ROOT_URL = resolve_url(getattr(settings, 'PWA_APP_ROOT_URL', _PWA_SCRIPT_PREFIX))
 PWA_APP_THEME_COLOR = getattr(settings, 'PWA_APP_THEME_COLOR', '#000')
 PWA_APP_BACKGROUND_COLOR = getattr(settings, 'PWA_APP_BACKGROUND_COLOR', '#fff')
 PWA_APP_DISPLAY = getattr(settings, 'PWA_APP_DISPLAY', 'standalone')
-PWA_APP_SCOPE = getattr(settings, 'PWA_APP_SCOPE', '/')
+PWA_APP_SCOPE = resolve_url(getattr(settings, 'PWA_APP_SCOPE', _PWA_SCRIPT_PREFIX))
 PWA_APP_DEBUG_MODE = getattr(settings, 'PWA_APP_DEBUG_MODE', True)
 PWA_APP_ORIENTATION = getattr(settings, 'PWA_APP_ORIENTATION', 'any')
-PWA_APP_START_URL = getattr(settings, 'PWA_APP_START_URL', '/')
-PWA_APP_FETCH_URL = getattr(settings, 'PWA_APP_FETCH_URL', '/')
+PWA_APP_START_URL = resolve_url(getattr(settings, 'PWA_APP_START_URL', _PWA_SCRIPT_PREFIX))
+PWA_APP_FETCH_URL = resolve_url(getattr(settings, 'PWA_APP_FETCH_URL', _PWA_SCRIPT_PREFIX))
 PWA_APP_ICONS = getattr(settings, 'PWA_APP_ICONS', [
     {
         'src': '/static/images/icons/icon-72x72.png',