diff --git a/hgext/largefiles/lfutil.py b/hgext/largefiles/lfutil.py
--- a/hgext/largefiles/lfutil.py
+++ b/hgext/largefiles/lfutil.py
@@ -106,7 +106,7 @@ class largefilesdirstate(dirstate.dirsta
         return super(largefilesdirstate, self).forget(unixpath(f))
     def normallookup(self, f):
         return super(largefilesdirstate, self).normallookup(unixpath(f))
-    def _ignore(self):
+    def _ignore(self, f):
         return False
 
 def openlfdirstate(ui, repo, create=True):