diff -r a748a5d1d7c3 -r 0cacd4df6eb0 mercurial/hgweb/webcommands.py
--- a/mercurial/hgweb/webcommands.py	Sat Feb 17 22:38:25 2018 -0500
+++ b/mercurial/hgweb/webcommands.py	Sat Feb 17 22:38:53 2018 -0500
@@ -561,7 +561,7 @@
                 fentries=filelist,
                 dentries=dirlist,
                 archives=web.archivelist(hex(node)),
-                **webutil.commonentry(web.repo, ctx))
+                **pycompat.strkwargs(webutil.commonentry(web.repo, ctx)))
 
 @webcommand('tags')
 def tags(web, req, tmpl):