diff --git a/mercurial/store.py b/mercurial/store.py
--- a/mercurial/store.py
+++ b/mercurial/store.py
@@ -389,7 +389,7 @@
 
 
 def isrevlog(f, kind, st):
-    return kind == stat.S_IFREG and f[-2:] in (b'.i', b'.d')
+    return kind == stat.S_IFREG and f[-2:] in (b'.i', b'.d', b'.n', b'.nd')
 
 
 class basicstore(object):
diff --git a/tests/test-persistent-nodemap.t b/tests/test-persistent-nodemap.t
--- a/tests/test-persistent-nodemap.t
+++ b/tests/test-persistent-nodemap.t
@@ -626,8 +626,10 @@
 The persistent nodemap should exist after a streaming clone
 
   $ hg clone -U --stream --config ui.ssh="\"$PYTHON\" \"$TESTDIR/dummyssh\"" ssh://user@dummy/test-repo stream-clone --debug | egrep '00(changelog|manifest)'
+  adding [s] 00manifest.n (70 bytes)
   adding [s] 00manifest.i (313 KB)
   adding [s] 00manifest.d (452 KB)
+  adding [s] 00changelog.n (70 bytes)
   adding [s] 00changelog.i (313 KB)
   adding [s] 00changelog.d (360 KB)
   $ ls -1 stream-clone/.hg/store/ | egrep '00(changelog|manifest)(\.n|-.*\.nd)'