--- a/hgext/narrow/narrowcommands.py	Tue Aug 21 16:11:17 2018 +0300
+++ b/hgext/narrow/narrowcommands.py	Tue Sep 11 11:03:15 2018 -0700
@@ -171,7 +171,7 @@
     if repository.NARROW_REQUIREMENT not in repo.requirements:
         return orig(pullop, kwargs)
 
-    if narrowbundle2.NARROWCAP not in pullop.remotebundle2caps:
+    if narrowbundle2.NARROWCAP not in pullop.remote.capabilities():
         raise error.Abort(_("server doesn't support narrow clones"))
     orig(pullop, kwargs)
     kwargs['narrow'] = True