Yaws web server SSL error 1112 on startup after fresh install

[Chris]

Description: Ubuntu 12.04.2 LTS
Release: 12.04

yaws 1.92-1

uname -a:
 Linux hostname 3.2.0-39-generic #62-Ubuntu SMP Wed Feb 27 22:05:17 UTC
2013 i686 i686 i386 GNU/Linux

ls:
-rw-r----- 1 root yaws 912 Mar 25 17:06 yaws-key.pem
-rw-r----- 1 root yaws 948 Mar 25 17:06 yaws-cert.pem

log:
=INFO REPORT==== 25-Mar-2013::18:09:45 ===
Yaws: Listening to 0.0.0.0:8443 for <1> virtual servers:
 - https://localhost:8443 under /usr/share/yaws

=INFO REPORT==== 25-Mar-2013::18:09:45 ===
Yaws: Listening to 0.0.0.0:8080 for <1> virtual servers:
 - http://localhost:8080 under /usr/share/yaws

=ERROR REPORT==== 25-Mar-2013::18:09:54 ===
SSL: 1112: error:[] /etc/yaws/yaws-key.pem
  [{ssl_connection,init_private_key,5},
   {ssl_connection,ssl_init,2},
   {ssl_connection,init,1},
   {gen_fsm,init_it,6},
   {proc_lib,init_p_do_apply,3}]

=ERROR REPORT==== 25-Mar-2013::18:09:54 ===
yaws: Failed to accept - terminating: {error,ekeyfile}

=ERROR REPORT==== 25-Mar-2013::18:09:54 ===
Accept proc died, terminate gserv
=ERROR REPORT==== 25-Mar-2013::18:09:54 ===
yaws: FATAL gserv died shutdown