diff --git a/lib/Slic3r/Fill/Rectilinear.pm b/lib/Slic3r/Fill/Rectilinear.pm
index 26a0b8758..212c63adb 100644
--- a/lib/Slic3r/Fill/Rectilinear.pm
+++ b/lib/Slic3r/Fill/Rectilinear.pm
@@ -32,7 +32,7 @@ sub fill_surface {
         $flow_spacing = unscale $distance_between_lines;
     }
     
-    my $overlap_distance = scale $Slic3r::flow_width * 0.2;
+    my $overlap_distance = scale $Slic3r::flow_width * 0.4;
     
     my @paths = ();
     my $x = $bounding_box->[X1];