--- a/hgext/fsmonitor/__init__.py	Tue Sep 26 08:37:17 2017 +0200
+++ b/hgext/fsmonitor/__init__.py	Mon Oct 09 12:47:22 2017 -0700
@@ -251,7 +251,7 @@
 
     matchfn = match.matchfn
     matchalways = match.always()
-    dmap = self._map
+    dmap = self._map._map
     nonnormalset = getattr(self, '_nonnormalset', None)
 
     copymap = self._map.copymap