diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index 5a29ab394..ce78eab8e 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -1677,6 +1677,7 @@ sub update {
 
     $self->{canvas}->reload_scene if $self->{canvas};
     $self->{canvas3D}->reload_scene if $self->{canvas3D};
+    $self->{preview3D}->reset_gcode_preview_data if $self->{preview3D};
     $self->{preview3D}->reload_print if $self->{preview3D};
 }
 
diff --git a/lib/Slic3r/GUI/Plater/3DPreview.pm b/lib/Slic3r/GUI/Plater/3DPreview.pm
index bd49bedb6..4834f7aed 100644
--- a/lib/Slic3r/GUI/Plater/3DPreview.pm
+++ b/lib/Slic3r/GUI/Plater/3DPreview.pm
@@ -289,6 +289,12 @@ sub refresh_print {
     $self->load_print;
 }
 
+sub reset_gcode_preview_data {
+    my ($self) = @_;
+    $self->gcode_preview_data->reset;
+    $self->canvas->reset_legend_texture();
+}
+
 sub load_print {
     my ($self) = @_;