diff --git a/doc/bugs/--git-dir_and_--work-tree_options.mdwn b/doc/bugs/--git-dir_and_--work-tree_options.mdwn
new file mode 100644
index 0000000000..2e5d1cf0c8
--- /dev/null
+++ b/doc/bugs/--git-dir_and_--work-tree_options.mdwn
@@ -0,0 +1,28 @@
+git-annex does not take into account the --git-dir and --work-tree command line options (while they can be useful when scripting).
+
+> mkdir /tmp/test
+> cd /tmp/test
+> git init
+Initialized empty Git repository in /tmp/test/.git/
+> git annex init test
+init test ok
+> touch foo
+> cd
+> git --git-dir=/tmp/test/.git --work-tree=/tmp/test annex add foo
+git-annex: Not in a git repository.
+
+regular git add works:
+> git --git-dir=/tmp/test/.git --work-tree=/tmp/test add foo
+> git --git-dir=/tmp/test/.git --work-tree=/tmp/test status 
+# On branch master
+#
+# Initial commit
+#
+# Changes to be committed:
+#   (use "git rm --cached <file>..." to unstage)
+#
+#       new file:   foo
+#
+
+git-annex version: 3.20110702
+