diff --git a/misc/net.minetest.minetest.desktop b/misc/net.minetest.minetest.desktop
index 571eb58a9..325bd59d6 100644
--- a/misc/net.minetest.minetest.desktop
+++ b/misc/net.minetest.minetest.desktop
@@ -11,4 +11,5 @@ PrefersNonDefaultGPU=true
 Type=Application
 Categories=Game;Simulation;
 StartupNotify=false
+StartupWMClass=Luanti
 Keywords=sandbox;world;mining;crafting;blocks;nodes;multiplayer;roleplaying;minetest;