--- a/mercurial/revlog.py	Wed Oct 11 00:04:23 2023 +0200
+++ b/mercurial/revlog.py	Tue Oct 10 11:12:06 2023 +0200
@@ -976,7 +976,7 @@
 
     @util.propertycache
     def _compressor(self):
-        engine = util.compengines[self._compengine]
+        engine = util.compengines[self.feature_config.compression_engine]
         return engine.revlogcompressor(self._compengineopts)
 
     @util.propertycache