diff --git a/lib/Slic3r.pm b/lib/Slic3r.pm
index 9214022f8..1dfaf8859 100644
--- a/lib/Slic3r.pm
+++ b/lib/Slic3r.pm
@@ -68,6 +68,7 @@ use constant SCALING_FACTOR         => 0.000001;
 use constant RESOLUTION             => 0.0125;
 use constant SCALED_RESOLUTION      => RESOLUTION / SCALING_FACTOR;
 use constant OVERLAP_FACTOR         => 1;
+use constant BRIDGE_OVERLAP_FACTOR  => 0.2;
 use constant SMALL_PERIMETER_LENGTH => (6.5 / SCALING_FACTOR) * 2 * PI;
 use constant LOOP_CLIPPING_LENGTH_OVER_SPACING      => 0.15;
 use constant INFILL_OVERLAP_OVER_SPACING  => 0.45;
diff --git a/lib/Slic3r/Flow.pm b/lib/Slic3r/Flow.pm
index b17b1991a..50d7cb7f9 100644
--- a/lib/Slic3r/Flow.pm
+++ b/lib/Slic3r/Flow.pm
@@ -97,7 +97,7 @@ sub _build_width {
 sub _build_spacing {
     my $self = shift;
     my $width = $self->width;
-    return $width + &Slic3r::OVERLAP_FACTOR * ($width * PI / 4 - $width);
+    return $width - (&Slic3r::BRIDGE_OVERLAP_FACTOR * $width);
 }
 
 1;