diff --git a/mercurial/cmdutil.py b/mercurial/cmdutil.py
--- a/mercurial/cmdutil.py
+++ b/mercurial/cmdutil.py
@@ -85,7 +85,7 @@ def filterchunks(ui, originalhunks, usec
         else:
             recordfn = crecordmod.chunkselector
 
-        return crecordmod.filterpatch(ui, originalhunks, recordfn)
+        return crecordmod.filterpatch(ui, originalhunks, recordfn, operation)
 
     else:
         return patch.filterpatch(ui, originalhunks, operation)