diff --git a/Misc/Linux/com.orama_interactive.Pixelorama.desktop b/Misc/Linux/com.orama_interactive.Pixelorama.desktop
index e20490e70..81c3c3966 100644
--- a/Misc/Linux/com.orama_interactive.Pixelorama.desktop
+++ b/Misc/Linux/com.orama_interactive.Pixelorama.desktop
@@ -16,6 +16,7 @@ Comment[uk]=Створюйте та редагуйте статичні та а
 Comment[zh_CN]=创建并编辑 2D 精灵图片或动画
 Exec=pixelorama
 Icon=pixelorama
+StartupWMClass=Pixelorama
 Terminal=false
 Type=Application
 Categories=Graphics;2DGraphics;RasterGraphics;