diff --git a/slic3r.pl b/slic3r.pl

index 80e6dc7..36d331d 100755

--- a/slic3r.pl

+++ b/slic3r.pl

@@ -20,6 +20,7 @@ use Time::HiRes qw(gettimeofday tv_interval);

 $|++;

 binmode STDOUT, ':utf8';

 binmode STDERR, ':utf8';

+$ENV{GDK_BACKEND} = 'x11';

 our %opt = ();

 my %cli_options = ();