diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index 4ca0eedd2a..f394a5c653 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -1948,8 +1948,9 @@ void GUI_App::init_networking_callbacks()
                             }
                         }
                     }
-                    event.SetEventObject(this);
-                    wxPostEvent(this, event);
+                    if (wxGetApp().plater()->get_select_machine_dialog()) {
+                        wxPostEvent(wxGetApp().plater()->get_select_machine_dialog(), event);
+                    }
                 });
             }
         );
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index ea0962a640..cc46717b6e 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -11143,6 +11143,11 @@ std::vector<std::string> Plater::get_colors_for_color_print(const GCodeProcessor
     return colors;
 }
 
+wxWindow* Plater::get_select_machine_dialog()
+{
+    return p->m_select_machine_dlg;
+}
+
 void Plater::update_print_error_info(int code, std::string msg, std::string extra)
 {
     if (p->m_select_machine_dlg) {
diff --git a/src/slic3r/GUI/Plater.hpp b/src/slic3r/GUI/Plater.hpp
index 89bc1163e0..0471c88949 100644
--- a/src/slic3r/GUI/Plater.hpp
+++ b/src/slic3r/GUI/Plater.hpp
@@ -429,6 +429,7 @@ public:
     GLCanvas3D* get_view3D_canvas3D();
     GLCanvas3D* get_preview_canvas3D();
     GLCanvas3D* get_assmeble_canvas3D();
+    wxWindow* get_select_machine_dialog();
 
     void arrange();
     void orient();
diff --git a/src/slic3r/GUI/SelectMachine.cpp b/src/slic3r/GUI/SelectMachine.cpp
index e5b7610a84..9d67c4d697 100644
--- a/src/slic3r/GUI/SelectMachine.cpp
+++ b/src/slic3r/GUI/SelectMachine.cpp
@@ -1405,7 +1405,7 @@ void SelectMachineDialog::init_bind()
     m_bitmap_next_plate->Bind(wxEVT_LEAVE_WINDOW, [this](auto& e) {SetCursor(wxCURSOR_ARROW); });
 
 
-    wxGetApp().Bind(EVT_CONNECT_LAN_MODE_PRINT, [this](wxCommandEvent& e) {
+    Bind(EVT_CONNECT_LAN_MODE_PRINT, [this](wxCommandEvent& e) {
         if (e.GetInt() == 0) {
             DeviceManager* dev = Slic3r::GUI::wxGetApp().getDeviceManager();
             if (!dev) return;