diff --git a/snapper-gui.desktop b/snapper-gui.desktop
index 33ddbde..a667bf3 100644
--- a/snapper-gui.desktop
+++ b/snapper-gui.desktop
@@ -2,6 +2,7 @@
 Name=Snapper GUI
 Comment=Frontend for snapper snapshot manager
 Exec=snapper-gui
+StartupWMClass=snappergui
 Icon=drive-harddisk
 Terminal=false
 Type=Application