diff --git a/src/calibre/srv/http_response.py b/src/calibre/srv/http_response.py
index df113f6d5f..28dfd6e960 100644
--- a/src/calibre/srv/http_response.py
+++ b/src/calibre/srv/http_response.py
@@ -209,7 +209,7 @@ class RequestData(object):  # {{{
         self.lang_code = self.gettext_func = self.ngettext_func = None
         self.set_translator(self.get_preferred_language())
         self.tdir = tdir
-        self.restrict_to_ids = {}
+        self.allowed_book_ids = {}
 
     def generate_static_output(self, name, generator):
         ans = self.static_cache.get(name)