diff --git a/lib/Slic3r/Fill.pm b/lib/Slic3r/Fill.pm
index 3683b06d98..e578b54940 100644
--- a/lib/Slic3r/Fill.pm
+++ b/lib/Slic3r/Fill.pm
@@ -152,6 +152,7 @@ sub make_fill {
                 $surface,
                 density         => $density,
                 flow_spacing    => $flow_spacing,
+                dont_adjust     => $is_bridge,
             );
         }
         my $params = shift @paths;
diff --git a/lib/Slic3r/Fill/Concentric.pm b/lib/Slic3r/Fill/Concentric.pm
index fe508eb94e..d31d39025a 100644
--- a/lib/Slic3r/Fill/Concentric.pm
+++ b/lib/Slic3r/Fill/Concentric.pm
@@ -19,7 +19,7 @@ sub fill_surface {
     my $distance = $min_spacing / $params{density};
     
     my $flow_spacing = $params{flow_spacing};
-    if ($params{density} == 1) {
+    if ($params{density} == 1 && !$params{dont_adjust) {
         $distance = $self->adjust_solid_spacing(
             width       => $bounding_box->[X2] - $bounding_box->[X1],
             distance    => $distance,
diff --git a/lib/Slic3r/Fill/Rectilinear.pm b/lib/Slic3r/Fill/Rectilinear.pm
index 52737cb820..ea9f1ddb06 100644
--- a/lib/Slic3r/Fill/Rectilinear.pm
+++ b/lib/Slic3r/Fill/Rectilinear.pm
@@ -23,7 +23,7 @@ sub fill_surface {
     my $line_oscillation = $distance_between_lines - $min_spacing;
     
     my $flow_spacing = $params{flow_spacing};
-    if ($params{density} == 1) {
+    if ($params{density} == 1 && !$params{dont_adjust}) {
         $distance_between_lines = $self->adjust_solid_spacing(
             width       => $bounding_box->[X2] - $bounding_box->[X1],
             distance    => $distance_between_lines,