I have the same problem and my locale is LANG=en_US.UTF-8 / LANGUAGE=en_US.
My system: Ubuntu 14.04.5 LTS 32bits Kernel~3.13.0-108-generic i686
libreoffice 1:5.3.0~rc3-0 ubuntu1~trusty i386
I have the same problem and my locale is LANG=en_US.UTF-8 / LANGUAGE=en_US.
My system: 3.13.0- 108-generic i686
Ubuntu 14.04.5 LTS 32bits
Kernel~
libreoffice 1:5.3.0~rc3-0 ubuntu1~trusty i386