diff --git a/hgext/histedit.py b/hgext/histedit.py
--- a/hgext/histedit.py
+++ b/hgext/histedit.py
@@ -566,7 +566,7 @@
         # edits are "in place" we do not need to make any merge,
         # just applies changes on parent for editing
         cmdutil.revert(ui, repo, ctx, (wcpar, node.nullid), all=True)
-        stats = None
+        stats = mergemod.updateresult(0, 0, 0, 0)
     else:
         try:
             # ui.forcemerge is an internal variable, do not document