diff --git a/course/page/base.py b/course/page/base.py
index ad7d135c338e6bb33502aa7cd49735f6089e4798..33814fdd7100958756a58bd5e51b21a8c15659ea 100644
--- a/course/page/base.py
+++ b/course/page/base.py
@@ -376,7 +376,7 @@ class PageBase(object):
                     if perm in rw_permissions:
                         rw_permissions.remove(perm)
 
-        return frozenset(permissions)
+        return frozenset(rw_permissions)
 
     def make_page_data(self):
         """Return (possibly randomly generated) data that is used to generate