diff --git a/mercurial/repoview.py b/mercurial/repoview.py
--- a/mercurial/repoview.py
+++ b/mercurial/repoview.py
@@ -220,6 +220,12 @@
 def wrapchangelog(unfichangelog, filteredrevs):
     cl = copy.copy(unfichangelog)
     cl.filteredrevs = filteredrevs
+
+    class filteredchangelog(cl.__class__):
+        pass
+
+    cl.__class__ = filteredchangelog
+
     return cl
 
 class repoview(object):