diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 7e74f5664..eff2e4944 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -1148,8 +1148,8 @@ std::string MachineObject::get_lifecycle_type_str()
     else if (lifecycle == PrinterFirmwareType::FIRMWARE_TYPE_PRODUCTION)
         return "product";
 
-    // return engineer by default;
-    return "engineer";
+    // return product by default;
+    return "product";
 }
 
 bool MachineObject::is_in_upgrading()
diff --git a/src/slic3r/GUI/DeviceManager.hpp b/src/slic3r/GUI/DeviceManager.hpp
index 87738ad6e..8ea97ead1 100644
--- a/src/slic3r/GUI/DeviceManager.hpp
+++ b/src/slic3r/GUI/DeviceManager.hpp
@@ -566,7 +566,7 @@ public:
     int upgrade_display_state = 0;           // 0 : upgrade unavailable, 1: upgrade idle, 2: upgrading, 3: upgrade_finished
     int upgrade_display_hold_count = 0;
     PrinterFirmwareType       firmware_type; // engineer|production
-    PrinterFirmwareType       lifecycle { PrinterFirmwareType::FIRMEARE_TYPE_UKNOWN };
+    PrinterFirmwareType       lifecycle { PrinterFirmwareType::FIRMWARE_TYPE_PRODUCTION };
     std::string upgrade_progress;
     std::string upgrade_message;
     std::string upgrade_status;