diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index 9dc19b1583..a0697b8784 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -7720,6 +7720,11 @@ void Tab::update_extruder_variants(int extruder_id, bool reload)
         auto    nozzle_volumes = m_preset_bundle->project_config.option<ConfigOptionEnumsGeneric>("nozzle_volume_type");
         int extruder_nums = m_preset_bundle->get_printer_extruder_count();
         nozzle_volumes->values.resize(extruder_nums);
+
+        // Orca: update `m_actual_nozzle_volumes` to current selected ones
+        m_actual_nozzle_volumes.resize(extruder_nums, NozzleVolumeType::nvtStandard);
+        for (int i = 0; i < extruder_nums; i++) m_actual_nozzle_volumes[i] = (NozzleVolumeType)nozzle_volumes->values[i];
+
         if (extruder_nums == 2) {
             auto options = generate_extruder_options();
             m_extruder_switch->SetOptions(options);