diff --git a/mercurial/tags.py b/mercurial/tags.py
--- a/mercurial/tags.py
+++ b/mercurial/tags.py
@@ -838,7 +838,7 @@
         repo = self._repo
 
         try:
-            lock = repo.wlock(wait=False)
+            lock = repo.lock(wait=False)
         except error.LockError:
             repo.ui.log(
                 b'tagscache',