diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index 49dcd1ae..4c0943d4 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -447,7 +447,7 @@ sub changescale {
     return if !$scale || $scale == -1;
     
     $self->{list}->SetItem($obj_idx, 2, "$scale%");
-    $object->scale($scale / 100);
+    $object->changescale($scale / 100);
     $self->arrange;
 }
 
@@ -1109,6 +1109,18 @@ sub _trigger_model_object {
 	}
 }
 
+sub changescale {
+    my $self = shift;
+    my ($scale) = @_;
+    
+    my $variation = $scale / $self->scale;
+    foreach my $range (@{ $self->layer_height_ranges }) {
+        $range->[0] *= $variation;
+        $range->[1] *= $variation;
+    }
+    $self->scale($scale);
+}
+
 sub check_manifoldness {
 	my $self = shift;