diff --git a/slic3r.pl b/slic3r.pl
index e9d3624d8..d9b6ccc05 100755
--- a/slic3r.pl
+++ b/slic3r.pl
@@ -65,7 +65,7 @@ Slic3r::Config->save($opt{save}) if $opt{save};
 # start GUI
 if (!@ARGV && !$opt{save} && eval "require Slic3r::GUI; 1") {
     no warnings 'once';
-    $Slic3r::GUI::SkeinPanel::last_config = $opt{load};
+    $Slic3r::GUI::SkeinPanel::last_config = $opt{load} ? $opt{load}[0] : undef;
     Slic3r::GUI->new->MainLoop;
     exit;
 }