diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index c99cd0243..c84e22dc2 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -1952,6 +1952,10 @@ void GUI_App::init_networking_callbacks()
                     m_server_error_dialog = new NetworkErrorDialog(mainframe);
                 }
 
+                if(plater()->get_select_machine_dialog() && plater()->get_select_machine_dialog()->IsShown()){
+                    return;
+                }
+
                 if (m_server_error_dialog->m_show_again) {
                     return;
                 }