diff --git a/src/slic3r/GUI/SelectMachine.cpp b/src/slic3r/GUI/SelectMachine.cpp
index 9389b513f..b5f95cfba 100644
--- a/src/slic3r/GUI/SelectMachine.cpp
+++ b/src/slic3r/GUI/SelectMachine.cpp
@@ -2240,51 +2240,52 @@ bool SelectMachineDialog::is_same_nozzle_diameters(std::string& nozzle_type, std
 {
     bool  is_same_nozzle_diameters = true;
 
-    //float       preset_nozzle_diameters;
-    //std::string preset_nozzle_type;
+    float       preset_nozzle_diameters;
+    std::string preset_nozzle_type;
 
-    //DeviceManager* dev = Slic3r::GUI::wxGetApp().getDeviceManager();
-    //if (!dev) return true;
+    DeviceManager* dev = Slic3r::GUI::wxGetApp().getDeviceManager();
+    if (!dev) return true;
 
-    //MachineObject* obj_ = dev->get_selected_machine();
-    //if (obj_ == nullptr) return true;
+    MachineObject* obj_ = dev->get_selected_machine();
+    if (obj_ == nullptr) return true;
 
-    //try
-    //{
-    //    PresetBundle* preset_bundle = wxGetApp().preset_bundle;
-    //    auto opt_nozzle_diameters = preset_bundle->printers.get_edited_preset().config.option<ConfigOptionFloats>("nozzle_diameter");
+    try
+    {
+        PresetBundle* preset_bundle = wxGetApp().preset_bundle;
+        auto opt_nozzle_diameters = preset_bundle->printers.get_edited_preset().config.option<ConfigOptionFloats>("nozzle_diameter");
 
-    //    const ConfigOptionEnum<NozzleType>* nozzle_type = preset_bundle->printers.get_edited_preset().config.option<ConfigOptionEnum<NozzleType>>("nozzle_type");
+        const ConfigOptionEnum<NozzleType>* nozzle_type = preset_bundle->printers.get_edited_preset().config.option<ConfigOptionEnum<NozzleType>>("nozzle_type");
 
-    //    if (nozzle_type->value == NozzleType::ntHardenedSteel) {
-    //        preset_nozzle_type = "hardened_steel";
-    //    }
-    //    else if (nozzle_type->value == NozzleType::ntStainlessSteel) {
-    //        preset_nozzle_type = "stainless_steel";
-    //    }
+        if (nozzle_type->value == NozzleType::ntHardenedSteel) {
+            preset_nozzle_type = "hardened_steel";
+        }
+        else if (nozzle_type->value == NozzleType::ntStainlessSteel) {
+            preset_nozzle_type = "stainless_steel";
+        }
 
-    //    if (obj_->nozzle_type != preset_nozzle_type) {
-    //        is_same_nozzle_diameters = false;
-    //    }
+        //Just don't check the nozzle diameter
+        //if (obj_->nozzle_type != preset_nozzle_type) {
+        //    is_same_nozzle_diameters = false;
+        //}
 
-    //    auto        extruders = wxGetApp().plater()->get_partplate_list().get_curr_plate()->get_used_extruders();
-    //    if (opt_nozzle_diameters != nullptr) {
-    //        for (auto i = 0; i < extruders.size(); i++) {
-    //            auto extruder = extruders[i] - 1;
-    //            preset_nozzle_diameters = float(opt_nozzle_diameters->get_at(extruder));
-    //            if (preset_nozzle_diameters != obj_->nozzle_diameter) {
-    //                is_same_nozzle_diameters = false;
-    //            }
-    //        }
-    //    }
-    //        
-    //}
-    //catch (...)
-    //{	
-    //}
+        auto        extruders = wxGetApp().plater()->get_partplate_list().get_curr_plate()->get_used_extruders();
+        if (opt_nozzle_diameters != nullptr) {
+            for (auto i = 0; i < extruders.size(); i++) {
+                auto extruder = extruders[i] - 1;
+                preset_nozzle_diameters = float(opt_nozzle_diameters->get_at(extruder));
+                if (preset_nozzle_diameters != obj_->nozzle_diameter) {
+                    is_same_nozzle_diameters = false;
+                }
+            }
+        }
 
-    //nozzle_type = preset_nozzle_type;
-    //nozzle_diameter = wxString::Format("%.1f",preset_nozzle_diameters).ToStdString();
+    }
+    catch (...)
+    {
+    }
+
+    nozzle_type = preset_nozzle_type;
+    nozzle_diameter = wxString::Format("%.1f", preset_nozzle_diameters).ToStdString();
 
     return is_same_nozzle_diameters;
 }