--- a/hgext/bugzilla.py	Sun Jan 21 13:47:06 2018 +0900
+++ b/hgext/bugzilla.py	Sun Jan 21 14:28:03 2018 +0900
@@ -1091,8 +1091,7 @@
             tmpl = _('changeset {node|short} in repo {root} refers '
                      'to bug {bug}.\ndetails:\n\t{desc|tabindent}')
         spec = logcmdutil.templatespec(tmpl, mapfile)
-        t = logcmdutil.changesettemplater(self.ui, self.repo, spec,
-                                          False, None, False)
+        t = logcmdutil.changesettemplater(self.ui, self.repo, spec)
         self.ui.pushbuffer()
         t.show(ctx, changes=ctx.changeset(),
                bug=str(bugid),