diff --git a/lib/Slic3r.pm b/lib/Slic3r.pm
index 153295f80..be105ed10 100644
--- a/lib/Slic3r.pm
+++ b/lib/Slic3r.pm
@@ -58,7 +58,7 @@ eval "use Slic3r::Build";
 
 use constant SCALING_FACTOR         => 0.000001;
 use constant RESOLUTION             => 0.01;
-use constant OVERLAP_FACTOR         => 0.5;
+use constant OVERLAP_FACTOR         => 1;
 use constant SMALL_PERIMETER_LENGTH => (6.5 / SCALING_FACTOR) * 2 * PI;
 use constant LOOP_CLIPPING_LENGTH_OVER_SPACING      => 0.15;
 use constant PERIMETER_INFILL_OVERLAP_OVER_SPACING  => 0.45;