diff --git a/src/slic3r/GUI/SelectMachine.cpp b/src/slic3r/GUI/SelectMachine.cpp
index 523a75e4a..293a1150b 100644
--- a/src/slic3r/GUI/SelectMachine.cpp
+++ b/src/slic3r/GUI/SelectMachine.cpp
@@ -2441,6 +2441,8 @@ void SelectMachineDialog::update_option_opts(MachineObject *obj)
 
 void SelectMachineDialog::load_option_vals(MachineObject *obj)
 {
+    if (m_is_in_sending_mode) { return;}
+
     AppConfig* config = wxGetApp().app_config;
     if (!config) return;
     if (!obj) return;