diff --git a/aldryn_config.py b/aldryn_config.py
index 4c45d6f..b1409d6 100644
--- a/aldryn_config.py
+++ b/aldryn_config.py
@@ -391,30 +391,23 @@ def storage_settings_for_media(self, settings, env):
         settings['MEDIA_ROOT'] = env('MEDIA_ROOT', os.path.join(settings['DATA_ROOT'], 'media'))
 
         storage_dsn = env(DEFAULT_STORAGE_KEY, )
+        settings['DEFAULT_FILE_STORAGE'] = 'aldryn_django.storage.DefaultStorage'
         if not storage_dsn:
+            settings['MEDIA_URL'] = env('MEDIA_URL', '/media/')
+            if not settings['MEDIA_URL'].endswith('/'):
+                # Django (or something else?) silently sets MEDIA_URL to an empty
+                # string if it does not end with a '/'
+                settings['MEDIA_URL'] = '{}/'.format(settings['MEDIA_URL'])
             dsn = furl.furl()
             dsn.scheme = 'file'
             dsn.path = settings['MEDIA_ROOT']
-            dsn.args.set("url", env('MEDIA_URL', '/media/'))
+            dsn.args.set("url", settings['MEDIA_URL'])
             storage_dsn = str(dsn)
-        settings[DEFAULT_STORAGE_KEY] = storage_dsn
-
-        settings['DEFAULT_FILE_STORAGE'] = 'aldryn_django.storage.DefaultStorage'
-
-        # Handle MEDIA_URL
-        settings['MEDIA_URL'] = env('MEDIA_URL', '/media/')
-        if not settings['MEDIA_URL']:
-            media_url = lazy_setting(
-                'MEDIA_URL',
-                get_default_storage_url,
-                str,
-            )
-
-            settings['MEDIA_URL'] = media_url
-        elif not settings['MEDIA_URL'].endswith('/'):
-            # Django (or something else?) silently sets MEDIA_URL to an empty
-            # string if it does not end with a '/'
-            settings['MEDIA_URL'] = '{}/'.format(settings['MEDIA_URL'])
+            settings[DEFAULT_STORAGE_KEY] = storage_dsn
+        else:
+            # lazy_setting is incompatible with django-cms and causes error on first load
+            settings[DEFAULT_STORAGE_KEY] = storage_dsn
+            settings['MEDIA_URL'] = get_default_storage_url()
 
         # Handle media domain for built-in serving
         settings['MEDIA_URL_IS_ON_OTHER_DOMAIN'] = env('MEDIA_URL_IS_ON_OTHER_DOMAIN', None)