--- a/mercurial/strip.py	Wed Sep 29 15:07:21 2021 +0200
+++ b/mercurial/strip.py	Wed Sep 29 15:23:57 2021 +0200
@@ -255,7 +255,9 @@
 
             # reset files that only changed in the dirstate too
             dirstate = repo.dirstate
-            dirchanges = [f for f in dirstate if dirstate[f] != b'n']
+            dirchanges = [
+                f for f in dirstate if not dirstate.get_entry(f).maybe_clean
+            ]
             changedfiles.extend(dirchanges)
 
             repo.dirstate.rebuild(urev, uctx.manifest(), changedfiles)