diff --git a/lib/Slic3r/GUI/Plater.pm b/lib/Slic3r/GUI/Plater.pm
index 719f98a48..3bfd57bb3 100644
--- a/lib/Slic3r/GUI/Plater.pm
+++ b/lib/Slic3r/GUI/Plater.pm
@@ -144,6 +144,11 @@ sub new {
         my ($angle_z) = @_;
         $self->rotate(rad2deg($angle_z), Z, 'absolute');
     };
+
+    # callback to call schedule_background_process
+    my $on_request_update = sub {
+        $self->schedule_background_process;
+    };
     
     # callback to update object's geometry info while using gizmos
     my $on_update_geometry_info = sub {
@@ -202,6 +207,8 @@ sub new {
 
         Slic3r::GUI::_3DScene::register_on_viewport_changed_callback($self->{canvas3D}, sub { Slic3r::GUI::_3DScene::set_viewport_from_scene($self->{preview3D}->canvas, $self->{canvas3D}); });
     }
+
+    Slic3r::_GUI::register_on_request_update_callback($on_request_update);
     
     # Initialize 2D preview canvas
     $self->{canvas} = Slic3r::GUI::Plater::2D->new($self->{preview_notebook}, wxDefaultSize, $self->{objects}, $self->{model}, $self->{config});
diff --git a/xs/src/slic3r/GUI/GUI.cpp b/xs/src/slic3r/GUI/GUI.cpp
index af7022f2b..8e351b05f 100644
--- a/xs/src/slic3r/GUI/GUI.cpp
+++ b/xs/src/slic3r/GUI/GUI.cpp
@@ -901,6 +901,7 @@ void add_frequently_changed_parameters(wxWindow* parent, wxBoxSizer* sizer, wxFl
                     std::vector<float> extruders = dlg.get_extruders();
                     (config.option<ConfigOptionFloats>("wiping_volumes_matrix"))->values = std::vector<double>(matrix.begin(),matrix.end());
                     (config.option<ConfigOptionFloats>("wiping_volumes_extruders"))->values = std::vector<double>(extruders.begin(),extruders.end());
+                    g_on_request_update_callback.call();
                 }
 			}));
 			return sizer;
@@ -917,6 +918,10 @@ ConfigOptionsGroup* get_optgroup()
 	return m_optgroup.get();
 }
 
+void register_on_request_update_callback(void* callback) {
+    if (callback != nullptr)
+        g_on_request_update_callback.register_callback(callback);
+}
 
 wxButton* get_wiping_dialog_button()
 {
diff --git a/xs/src/slic3r/GUI/GUI.hpp b/xs/src/slic3r/GUI/GUI.hpp
index efb11b7df..c41ba2521 100644
--- a/xs/src/slic3r/GUI/GUI.hpp
+++ b/xs/src/slic3r/GUI/GUI.hpp
@@ -4,6 +4,7 @@
 #include <string>
 #include <vector>
 #include "Config.hpp"
+#include "../../libslic3r/Utils.hpp"
 
 #include <wx/intl.h>
 #include <wx/string.h>
@@ -171,6 +172,9 @@ wxString	from_u8(const std::string &str);
 
 void add_frequently_changed_parameters(wxWindow* parent, wxBoxSizer* sizer, wxFlexGridSizer* preset_sizer);
 
+static PerlCallback g_on_request_update_callback;
+void register_on_request_update_callback(void* callback);
+ 
 ConfigOptionsGroup* get_optgroup();
 wxButton*			get_wiping_dialog_button();
 
diff --git a/xs/xsp/GUI.xsp b/xs/xsp/GUI.xsp
index 6b05e9a67..7872abc80 100644
--- a/xs/xsp/GUI.xsp
+++ b/xs/xsp/GUI.xsp
@@ -104,3 +104,12 @@ void fix_model_by_win10_sdk_gui(ModelObject *model_object_src, Print *print, Mod
 
 void set_3DScene(SV *scene)
     %code%{ Slic3r::GUI::set_3DScene((_3DScene *)wxPli_sv_2_object(aTHX_ scene, "Slic3r::Model::3DScene") ); %};
+
+%package{Slic3r::_GUI};
+%{
+void
+register_on_request_update_callback(callback)
+        SV *callback;
+    CODE:
+        Slic3r::GUI::register_on_request_update_callback((void*)callback);
+%}