diff --git a/doc/bugs/anonymous_git_push_broken_again.mdwn b/doc/bugs/anonymous_git_push_broken_again.mdwn
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+This might not be the same cause or solution as [[git_test_receive_wrapper_fails]] so filing
+it separately.
+
+Anon git push is broken again
+
+    remote: error: cannot lock ref 'HEAD': Unable to create '/home/b-ikiwiki/source.git/./HEAD.lock': Permission denied
+    To git://git.ikiwiki.info/
+     ! [remote rejected]     master -> master (failed to update ref)
+
+*—[[Jon]], 2020-10-06*