diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 55e68db80d..95a58a76f4 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -4881,6 +4881,7 @@ int MachineObject::parse_json(std::string payload, bool key_field_only)
                                 }
                                 is_succeed = false;
                             }
+                            is_succeed = false;
                         }
 
                         if (is_succeed) {
diff --git a/src/slic3r/GUI/StatusPanel.cpp b/src/slic3r/GUI/StatusPanel.cpp
index 1d87b42ff3..fae72cc88b 100644
--- a/src/slic3r/GUI/StatusPanel.cpp
+++ b/src/slic3r/GUI/StatusPanel.cpp
@@ -3088,7 +3088,6 @@ void StatusPanel::update_ams(MachineObject *obj)
     if (m_filament_setting_dlg) { m_filament_setting_dlg->obj = obj; }
 
     if (obj && (obj->last_cali_version != obj->cali_version)) {
-        last_cali_version = obj->cali_version;
         PACalibExtruderInfo cali_info;
         cali_info.nozzle_diameter        = obj->m_extder_data.extders[0].current_nozzle_diameter;
         cali_info.use_extruder_id        = false;