From 20229fccdbf91cbb0191ac5a9de8731acd84c6ab Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sat, 23 Jun 2012 18:31:24 +0200
Subject: [PATCH] Bugfix: fatal error when a layer contained nothing

---
 lib/Slic3r/Print.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Slic3r/Print.pm b/lib/Slic3r/Print.pm
index d9233acd59..0d26eff6f9 100644
--- a/lib/Slic3r/Print.pm
+++ b/lib/Slic3r/Print.pm
@@ -568,7 +568,7 @@ sub write_gcode {
                     if $Slic3r::support_material_tool > 0;
             }
         }
-        last if !$gcode;
+        return if !$gcode;
         
         my $fan_speed = $Slic3r::fan_always_on ? $Slic3r::min_fan_speed : 0;
         my $speed_factor = 1;