diff --git a/resources/icons/PrusaSlicer_256_icns.png b/resources/icons/PrusaSlicer_256_icns.png
new file mode 100644
index 000000000..6dd7c132d
Binary files /dev/null and b/resources/icons/PrusaSlicer_256_icns.png differ
diff --git a/resources/icons/Slic3r_256_icns.png b/resources/icons/Slic3r_256_icns.png
new file mode 100644
index 000000000..e6318a0c9
Binary files /dev/null and b/resources/icons/Slic3r_256_icns.png differ
diff --git a/resources/icons/SuperSlicer_256_icns.png b/resources/icons/SuperSlicer_256_icns.png
new file mode 100644
index 000000000..1a75b265e
Binary files /dev/null and b/resources/icons/SuperSlicer_256_icns.png differ
diff --git a/src/slic3r/GUI/MainFrame.cpp b/src/slic3r/GUI/MainFrame.cpp
index 2e9065b78..9bb37680c 100644
--- a/src/slic3r/GUI/MainFrame.cpp
+++ b/src/slic3r/GUI/MainFrame.cpp
@@ -132,7 +132,7 @@ DPIFrame(NULL, wxID_ANY, "", wxDefaultPosition, wxDefaultSize, wxDEFAULT_FRAME_S
     default:
     case GUI_App::EAppMode::Editor:
         m_taskbar_icon = std::make_unique<PrusaSlicerTaskBarIcon>(wxTBI_DOCK);
-        m_taskbar_icon->SetIcon(wxIcon(Slic3r::var(SLIC3R_APP_KEY "_128px.png"), wxBITMAP_TYPE_PNG), SLIC3R_APP_KEY);
+        m_taskbar_icon->SetIcon(wxIcon(Slic3r::var(SLIC3R_APP_KEY "_256_icns.png"), wxBITMAP_TYPE_PNG), SLIC3R_APP_KEY);
         break;
     case GUI_App::EAppMode::GCodeViewer:
         m_taskbar_icon = std::make_unique<GCodeViewerTaskBarIcon>(wxTBI_DOCK);