diff --git a/activitypub.py b/activitypub.py
index f2b9e7c..f42c6aa 100644
--- a/activitypub.py
+++ b/activitypub.py
@@ -4,6 +4,7 @@ import logging
 import json
 import os
 import urllib.parse
+import pelican.writers
 
 from pelican import signals
 
@@ -16,7 +17,7 @@ __version__ = '0.1'
 pagination = 25
 
 
-def ap_article(generator, writer):
+def ap_article(generator: pelican.ArticlesGenerator, writer: pelican.writers.Writer):
 
     now = datetime.datetime.utcnow()
 
@@ -43,7 +44,7 @@ def ap_article(generator, writer):
     wknodeinfo = {
         'links': [
             {
-                'href': os.path.join(writer.site_url, 'activitypub/nodeinfo'),
+                'href': os.path.join(generator.settings['SITEURL'], 'activitypub/nodeinfo'),
                 'rel': 'http://nodeinfo.diaspora.software/ns/schema/2.0'
             }
         ]