diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 89635d82e..186ff3946 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -1725,8 +1725,13 @@ int MachineObject::command_select_extruder(int id)
     j["print"]["sequence_id"]    = std::to_string(MachineObject::m_sequence_id++);
     j["print"]["command"]        = "select_extruder";
     j["print"]["extruder_index"] = id;
+    int rtn = this->publish_json(j.dump(), 1);
+    if (rtn == 0)
+    {
+        targ_nozzle_id_from_pc = id;
+    }
 
-    return this->publish_json(j.dump(), 1);
+    return rtn;
 }
 
 int MachineObject::command_get_version(bool with_retry)
@@ -5991,10 +5996,12 @@ void MachineObject::parse_new_info(json print)
             if (m_extder_data.current_extder_id != extder_data.current_extder_id)
             {
                 flag_update_nozzle = true;
+                targ_nozzle_id_from_pc = INVALID_NOZZLE_ID;
             }
             else if (extder_data.switch_extder_state == ES_SWITCHING_FAILED)
             {
                 flag_update_nozzle = true;
+                targ_nozzle_id_from_pc = INVALID_NOZZLE_ID;
             }
 
             extder_data.current_loading_extder_id = get_flag_bits(extruder["state"].get<int>(), 15, 4);
diff --git a/src/slic3r/GUI/DeviceManager.hpp b/src/slic3r/GUI/DeviceManager.hpp
index ec8da3467..489ddb2a5 100644
--- a/src/slic3r/GUI/DeviceManager.hpp
+++ b/src/slic3r/GUI/DeviceManager.hpp
@@ -948,6 +948,9 @@ public:
     int  nozzle_selected_count = 0;
     bool flag_update_nozzle = {true};
 
+    /*target from Studio-SwitchBoard, default to INVALID_NOZZLE_ID if no switching control from PC*/
+    int targ_nozzle_id_from_pc = INVALID_NOZZLE_ID;
+
     //supported features
     bool is_support_chamber_edit{false};
     bool is_support_extrusion_cali{false};
diff --git a/src/slic3r/GUI/StatusPanel.cpp b/src/slic3r/GUI/StatusPanel.cpp
index cad267594..52cb00ce9 100644
--- a/src/slic3r/GUI/StatusPanel.cpp
+++ b/src/slic3r/GUI/StatusPanel.cpp
@@ -2832,7 +2832,6 @@ void StatusPanel::update_misc_ctrl(MachineObject *obj)
                 m_nozzle_btn_panel->updateState("left");
             }
 
-            targ_nozzle_id_from_pc = INVALID_NOZZLE_ID;// the switching is finished
             obj->flag_update_nozzle = false;
         }
 
@@ -2840,7 +2839,7 @@ void StatusPanel::update_misc_ctrl(MachineObject *obj)
         /* Can do switch while printing pause STUDIO-9789*/
         if ((obj->is_in_printing() && !obj->is_in_printing_pause()) ||
             obj->ams_status_main == AMS_STATUS_MAIN_FILAMENT_CHANGE ||
-            targ_nozzle_id_from_pc != INVALID_NOZZLE_ID)
+            obj->targ_nozzle_id_from_pc != INVALID_NOZZLE_ID)
         {
             m_nozzle_btn_panel->Disable();
         }
@@ -4691,9 +4690,8 @@ void StatusPanel::on_nozzle_selected(wxCommandEvent &event)
         }
 
         auto nozzle_id = event.GetInt();
-        if(obj->command_select_extruder(nozzle_id) == 0)
+        if (obj->command_select_extruder(nozzle_id) == 0)
         {
-            targ_nozzle_id_from_pc = nozzle_id;
             return;
         }
     }
diff --git a/src/slic3r/GUI/StatusPanel.hpp b/src/slic3r/GUI/StatusPanel.hpp
index ac8fc7930..d49d28474 100644
--- a/src/slic3r/GUI/StatusPanel.hpp
+++ b/src/slic3r/GUI/StatusPanel.hpp
@@ -411,8 +411,6 @@ protected:
     wxSimplebook*   m_extruder_book;
     std::vector<ExtruderImage *> m_extruderImage;
 
-    /*the target nozzle id from PC-SwitchBoard, default to INVALID_NOZZLE_ID if not switching*/
-    int             targ_nozzle_id_from_pc = INVALID_NOZZLE_ID;
     SwitchBoard *   m_nozzle_btn_panel;
 
     wxStaticText *  m_text_tasklist_caption;