diff --git a/misc/org.luanti.luanti.desktop b/misc/org.luanti.luanti.desktop
index eab76aabb..634161f10 100644
--- a/misc/org.luanti.luanti.desktop
+++ b/misc/org.luanti.luanti.desktop
@@ -11,5 +11,5 @@ Terminal=false
 Type=Application
 Categories=Game;Simulation;
 StartupNotify=false
-StartupWMClass=Luanti
+StartupWMClass=luanti
 Keywords=sandbox;world;mining;crafting;blocks;nodes;multiplayer;roleplaying;minetest;