diff --git a/src/slic3r/GUI/CaliHistoryDialog.cpp b/src/slic3r/GUI/CaliHistoryDialog.cpp
index 1116bb374..d9eab3685 100644
--- a/src/slic3r/GUI/CaliHistoryDialog.cpp
+++ b/src/slic3r/GUI/CaliHistoryDialog.cpp
@@ -295,7 +295,7 @@ void HistoryWindow::sync_history_data() {
                 name_value->SetLabel(from_u8(new_result.name));
 
                 new_result.tray_id = -1;
-                CalibUtils::set_PA_calib_result({ new_result });
+                CalibUtils::set_PA_calib_result({ new_result }, true);
 
                 enbale_action_buttons(false);
             }
diff --git a/src/slic3r/GUI/CalibrationWizard.cpp b/src/slic3r/GUI/CalibrationWizard.cpp
index 207ccaba5..27625d716 100644
--- a/src/slic3r/GUI/CalibrationWizard.cpp
+++ b/src/slic3r/GUI/CalibrationWizard.cpp
@@ -593,7 +593,7 @@ void PressureAdvanceWizard::on_cali_save()
                     return;
                 }
 
-                CalibUtils::set_PA_calib_result(new_pa_cali_results);
+                CalibUtils::set_PA_calib_result(new_pa_cali_results, true);
             }
             else if (m_cali_method == CalibrationMethod::CALI_METHOD_MANUAL) {
                 PACalibResult new_pa_cali_result;
@@ -601,7 +601,7 @@ void PressureAdvanceWizard::on_cali_save()
                 if (!save_page->get_manual_result(new_pa_cali_result)) {
                     return;
                 }
-                CalibUtils::set_PA_calib_result({ new_pa_cali_result });
+                CalibUtils::set_PA_calib_result({ new_pa_cali_result }, false);
             }
 
             MessageDialog msg_dlg(nullptr, _L("Flow Dynamics Calibration result has been saved to the printer"), wxEmptyString, wxOK);
diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 46246e97b..618019737 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -2036,7 +2036,7 @@ int MachineObject::command_start_pa_calibration(const X1CCalibInfos &pa_data, in
     return -1;
 }
 
-int MachineObject::command_set_pa_calibration(const std::vector<PACalibResult>& pa_calib_values)
+int MachineObject::command_set_pa_calibration(const std::vector<PACalibResult> &pa_calib_values, bool is_auto_cali)
 {
     CNumericLocalesSetter locales_setter;
 
@@ -2056,8 +2056,10 @@ int MachineObject::command_set_pa_calibration(const std::vector<PACalibResult>&
             j["print"]["filaments"][i]["setting_id"]  = pa_calib_values[i].setting_id;
             j["print"]["filaments"][i]["name"]        = pa_calib_values[i].name;
             j["print"]["filaments"][i]["k_value"]     = std::to_string(pa_calib_values[i].k_value);
-            // j["print"]["filaments"][i]["n_coef"]      = std::to_string(pa_calib_values[i].n_coef);
-            j["print"]["filaments"][i]["n_coef"] = "0.0";
+            if (is_auto_cali)
+                j["print"]["filaments"][i]["n_coef"]  = std::to_string(pa_calib_values[i].n_coef);
+            else
+                j["print"]["filaments"][i]["n_coef"]  = "0.0";
         }
 
         BOOST_LOG_TRIVIAL(trace) << "extrusion_cali_set: " << j.dump();
diff --git a/src/slic3r/GUI/DeviceManager.hpp b/src/slic3r/GUI/DeviceManager.hpp
index 1bd70d84d..08dadea34 100644
--- a/src/slic3r/GUI/DeviceManager.hpp
+++ b/src/slic3r/GUI/DeviceManager.hpp
@@ -818,7 +818,7 @@ public:
 
     // PA calibration
     int command_start_pa_calibration(const X1CCalibInfos& pa_data, int mode = 0);  // 0: automatic mode; 1: manual mode. default: automatic mode
-    int command_set_pa_calibration(const std::vector<PACalibResult>& pa_calib_values);
+    int command_set_pa_calibration(const std::vector<PACalibResult>& pa_calib_values, bool is_auto_cali);
     int command_delete_pa_calibration(const PACalibIndexInfo& pa_calib);
     int command_get_pa_calibration_tab(float nozzle_diameter, const std::string &filament_id = "");
     int command_get_pa_calibration_result(float nozzle_diameter);
diff --git a/src/slic3r/Utils/CalibUtils.cpp b/src/slic3r/Utils/CalibUtils.cpp
index 48219a548..70fbb4469 100644
--- a/src/slic3r/Utils/CalibUtils.cpp
+++ b/src/slic3r/Utils/CalibUtils.cpp
@@ -265,7 +265,7 @@ bool CalibUtils::get_PA_calib_info(PACalibResult & pa_calib_info) {
     return false;
 }
 
-void CalibUtils::set_PA_calib_result(const std::vector<PACalibResult>& pa_calib_values)
+void CalibUtils::set_PA_calib_result(const std::vector<PACalibResult> &pa_calib_values, bool is_auto_cali)
 {
     DeviceManager* dev = Slic3r::GUI::wxGetApp().getDeviceManager();
     if (!dev)
@@ -275,7 +275,7 @@ void CalibUtils::set_PA_calib_result(const std::vector<PACalibResult>& pa_calib_
     if (obj_ == nullptr)
         return;
 
-    obj_->command_set_pa_calibration(pa_calib_values);
+    obj_->command_set_pa_calibration(pa_calib_values, is_auto_cali);
 }
 
 void CalibUtils::select_PA_calib_result(const PACalibIndexInfo& pa_calib_info)
diff --git a/src/slic3r/Utils/CalibUtils.hpp b/src/slic3r/Utils/CalibUtils.hpp
index 0c68d6168..5dee64714 100644
--- a/src/slic3r/Utils/CalibUtils.hpp
+++ b/src/slic3r/Utils/CalibUtils.hpp
@@ -41,7 +41,7 @@ public:
     static void emit_get_PA_calib_info(float nozzle_diameter, const std::string &filament_id);
     static bool get_PA_calib_info(PACalibResult &pa_calib_info);
 
-    static void set_PA_calib_result(const std::vector<PACalibResult>& pa_calib_values);
+    static void set_PA_calib_result(const std::vector<PACalibResult>& pa_calib_values, bool is_auto_cali);
     static void select_PA_calib_result(const PACalibIndexInfo &pa_calib_info);
     static void delete_PA_calib_result(const PACalibIndexInfo &pa_calib_info);