--- /dev/null
+When doing `ikiwiki --setup mysite.setup`, I got the following error
+
+
+ $ ikiwiki --version
+ ikiwiki version 3.20150107
+ 18:04:37 $ ikiwiki --setup mysite.setup
+ build Ikiwiki instance...
+ Use of uninitialized value in string eq at /usr/share/perl5/IkiWiki.pm line 650.
+ Use of uninitialized value in string ne at /usr/share/perl5/IkiWiki.pm line 669.
+ Use of uninitialized value in string ne at /usr/share/perl5/IkiWiki.pm line 669.
+ Use of uninitialized value in string ne at /usr/share/perl5/IkiWiki.pm line 674.
+ Use of uninitialized value in string ne at /usr/share/perl5/IkiWiki.pm line 674.
+ generating wrappers..
+ Use of uninitialized value in string eq at /usr/share/perl5/IkiWiki.pm line 650.
+ Use of uninitialized value in string ne at /usr/share/perl5/IkiWiki.pm line 669.
+ Use of uninitialized value in string ne at /usr/share/perl5/IkiWiki.pm line 669.
+ Use of uninitialized value in string ne at /usr/share/perl5/IkiWiki.pm line 674.
+ Use of uninitialized value in string ne at /usr/share/perl5/IkiWiki.pm line 674.
+ successfully generated /home/qi/public_html/pages/ikiwiki.cgi
+ rebuilding wiki..
+
+
+Any idea how to fix it? I'm on Ubuntu.
+
+ $ perl --version
+
+ This is perl 5, version 18, subversion 2 (v5.18.2) built for x86_64-linux-gnu-thread-multi
+ (with 41 registered patches, see perl -V for more detail)