Segmentation fault on Ubuntu 14.04 LTS with the javascript feature enabled.

[skunkworker]

When running the following command

xvfb-run --auto-servernum --server-num=1 /usr/local/bin/webkit2png -t 5  "http://www.weather.com/news/weather/video/more-wintry-precip-for-south" -o test.png -g 1200 1200 -F javascript
Segmentation fault (core dumped)

in /var/log/syslog I get the following error

kernel: [211586.457640] traps: webkit2png[31828] general protection ip:7f6425260787 sp:7fff1e51fb80 error:0 in libQtWebKit.so.4.10.2[7f6423d81000+1fc9000]