diff --git a/earwigbot/wiki/copyright.py b/earwigbot/wiki/copyright.py
index 5641a45..5af1fec 100644
--- a/earwigbot/wiki/copyright.py
+++ b/earwigbot/wiki/copyright.py
@@ -55,9 +55,9 @@ class CopyrightMixin(object):
     checks the page for copyright violations using a search engine API. The
     API keys must be provided to the method as arguments.
     """
-    def __init__(self):
+    def __init__(self, site):
         self._opener = build_opener()
-        self._opener.addheaders = self._site._opener.addheaders
+        self._opener.addheaders = site._opener.addheaders
 
     def _open_url_ignoring_errors(self, url):
         """Open a URL using self._opener and return its content, or None.
diff --git a/earwigbot/wiki/page.py b/earwigbot/wiki/page.py
index 1b2c06a..862da2b 100644
--- a/earwigbot/wiki/page.py
+++ b/earwigbot/wiki/page.py
@@ -69,7 +69,7 @@ class Page(CopyrightMixin):
         __init__ will not do any API queries, but it will use basic namespace
         logic to determine our namespace ID and if we are a talkpage.
         """
-        super(Page, self).__init__()
+        super(Page, self).__init__(site)
         self._site = site
         self._title = title.strip()
         self._follow_redirects = self._keep_following = follow_redirects