diff --git a/src/slic3r/GUI/SelectMachine.cpp b/src/slic3r/GUI/SelectMachine.cpp
index 9419be5e7b..1876844846 100644
--- a/src/slic3r/GUI/SelectMachine.cpp
+++ b/src/slic3r/GUI/SelectMachine.cpp
@@ -1927,7 +1927,7 @@ void SelectMachineDialog::on_selection_changed(wxCommandEvent &event)
 
 void SelectMachineDialog::update_ams_check(MachineObject* obj)
 {
-    if (obj && obj->ams_support_use_ams) {
+    if (obj && obj->ams_support_use_ams && obj->has_ams()) {
         select_use_ams->Show();
     } else {
         select_use_ams->Hide();