I didn’t see this before, too. Now, I tried to create a minimal example showing the described behaviour, but I cannot reproduce it anymore. Now all is correct. Sorry! Johannes Am 01.08.2018 um 13:06 schrieb John Kitchin >: I don't think I have ever seen this, and can't think of a reason why it might be occurring. John ----------------------------------- Professor John Kitchin Doherty Hall A207F Department of Chemical Engineering Carnegie Mellon University Pittsburgh, PA 15213 412-268-7803 @johnkitchin http://kitchingroup.cheme.cmu.edu On Sun, Jul 29, 2018 at 12:23 PM, Johannes Brauer > wrote: Hi! I have an older Html-file exported from an org-mode file with org-ref citations. All citation links are internal links into the reference section, fine! But if I anew export the org-mode file, now, the generated citation links are external file links to (not existing) files. For example, cite:Hales2008 is exported to "file:///.../Hales2008“. Any hints? Johannes