diff --git a/doc/bugs/error_with_file_names_starting_with_dash.mdwn b/doc/bugs/error_with_file_names_starting_with_dash.mdwn
new file mode 100644
index 0000000000..7a4d33911f
--- /dev/null
+++ b/doc/bugs/error_with_file_names_starting_with_dash.mdwn
@@ -0,0 +1,12 @@
+git annex add has problems if items start with dashes, example:
+
+-wut-a-directory-name-/file1
+
+leads to
+
+[[!format bash """
+add -wut-a-directory-name-/file1 (checksum...) sha1sum: invalid option -- 'u'
+„sha1sum --help“ gibt weitere Informationen.
+
+  git-annex: <file descriptor: 15>: hGetLine: end of file
+"""]]