diff --git a/doc/bugs/Undefined_subroutine_IkiWiki::refresh.mdwn b/doc/bugs/Undefined_subroutine_IkiWiki::refresh.mdwn
new file mode 100644
index 000000000..932d2de29
--- /dev/null
+++ b/doc/bugs/Undefined_subroutine_IkiWiki::refresh.mdwn
@@ -0,0 +1,4 @@
+After building a fresh deb from current Git master (9b62dac4bcf62f3a1f76ec5a7ed5a90db16ea1c8) :
+
+        $ ikiwiki --setup ~/ikiwiki.setup  --rebuild
+        Undefined subroutine &IkiWiki::refresh called at /usr/share/perl5/IkiWiki/Setup.pm line 113.