diff --git a/resources/images/BambuStudio-mac_256px.ico b/resources/images/BambuStudio-mac_256px.ico
new file mode 100644
index 0000000000..fa9c43cdea
Binary files /dev/null and b/resources/images/BambuStudio-mac_256px.ico differ
diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index b469230935..cf19e139ed 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -206,7 +206,7 @@ DPIFrame(NULL, wxID_ANY, "", wxDefaultPosition, wxDefaultSize, BORDERLESS_FRAME_
     default:
     case GUI_App::EAppMode::Editor:
         m_taskbar_icon = std::make_unique<BambuStudioTaskBarIcon>(wxTBI_DOCK);
-        m_taskbar_icon->SetIcon(wxIcon(Slic3r::var("BambuStudio-mac_128px.png"), wxBITMAP_TYPE_PNG), "BambuStudio");
+        m_taskbar_icon->SetIcon(wxIcon(Slic3r::var("BambuStudio-mac_256px.ico"), wxBITMAP_TYPE_PNG), "BambuStudio");
         break;
     case GUI_App::EAppMode::GCodeViewer:
         break;