diff -r 456626e9c3d1 -r 9bb4decd43b0 hgext/journal.py
--- a/hgext/journal.py	Tue Jul 11 12:27:58 2017 +0200
+++ b/hgext/journal.py	Tue Jul 11 12:38:17 2017 +0200
@@ -69,6 +69,7 @@
 def reposetup(ui, repo):
     if repo.local():
         repo.journal = journalstorage(repo)
+        repo._wlockfreeprefix.add('namejournal')
 
         dirstate, cached = localrepo.isfilecached(repo, 'dirstate')
         if cached: