make sure env var is defined when running under valgrind
make sure env var is defined when running under valgrind

artclarke/humble-video,artclarke/humble-video,artclarke/humble-video,artclarke/humble-video,artclarke/humble-video,artclarke/humble-video,artclarke/humble-video,artclarke/humble-video,artclarke/humble-video,artclarke/humble-video