diff --git a/hgext3rd/backups.py b/hgext3rd/backups.py
--- a/hgext3rd/backups.py
+++ b/hgext3rd/backups.py
@@ -18,6 +18,7 @@
 from mercurial import bundle2, registrar
 from mercurial import lock as lockmod
 from mercurial import pycompat
+from mercurial import util
 from hgext import pager
 from mercurial.node import nullid, short
 from mercurial.i18n import _
@@ -63,8 +64,18 @@
     opts['bundle'] = ''
     opts['force'] = None
 
+    if util.safehasattr(cmdutil, 'loglimit'):
+        # legacy case
+        loglimit = cmdutil.loglimit
+        show_changeset = cmdutil.show_changeset
+    else:
+        # since core commit c8e2d6ed1f9e
+        from mercurial import logcmdutil
+        loglimit = logcmdutil.getlimit
+        show_changeset = logcmdutil.changesetdisplayer
+
     def display(other, chlist, displayer):
-        limit = cmdutil.loglimit(opts)
+        limit = loglimit(opts)
         if opts.get('newest_first'):
             chlist.reverse()
         count = 0
@@ -147,7 +158,7 @@
                         opts['template'] = verbosetemplate
                     else:
                         ui.status("%s%s\n" % ("bundle:".ljust(13), source))
-                    displayer = cmdutil.show_changeset(ui, other, opts, False)
+                    displayer = show_changeset(ui, other, opts, False)
                     display(other, chlist, displayer)
                     displayer.close()
         finally: