diff --git a/mercurial/hgweb/webcommands.py b/mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py
+++ b/mercurial/hgweb/webcommands.py
@@ -441,9 +441,9 @@ def changelog(web, shortlog=False):
         rev=pos,
         symrev=symrev,
         changesets=count,
-        entries=entries,
-        latestentry=latestentry,
-        nextentry=nextentry,
+        entries=templateutil.mappinglist(entries),
+        latestentry=templateutil.mappinglist(latestentry),
+        nextentry=templateutil.mappinglist(nextentry),
         archives=web.archivelist('tip'),
         revcount=revcount,
         morevars=morevars,