diff --git a/activitypub.py b/activitypub.py
index 3f2271c..246f431 100644
--- a/activitypub.py
+++ b/activitypub.py
@@ -72,7 +72,7 @@ def ap_article(generator, writer):
         }
     }
     wfurl = os.path.join(generator.settings['SITEURL'], '.well-known/webfinger?resource={uri}')
-    hostmeta = f'<xml version="1.0" encoding="UTF-8"?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"><Link rel="lrdd" template="{wfurl}" type="application/xrd+xml" /></XRD>'
+    hostmeta = f'<?xml version="1.0" encoding="UTF-8"?><XRD xmlns="http://docs.oasis-open.org/ns/xri/xrd-1.0"><Link rel="lrdd" template="{wfurl}" type="application/xrd+xml" /></XRD>'
     webfinger = {
         'subject': f'acct:{author}@{domain}',
         'aliases': [