diff --git a/files/org.openmw.cs.desktop b/files/org.openmw.cs.desktop
index a5e3c27f2a..47e01185b3 100644
--- a/files/org.openmw.cs.desktop
+++ b/files/org.openmw.cs.desktop
@@ -8,3 +8,4 @@ TryExec=openmw-cs
 Exec=openmw-cs
 Icon=openmw-cs
 Categories=Game;RolePlaying;
+StartupWMClass=openmw-cs
diff --git a/files/org.openmw.launcher.desktop b/files/org.openmw.launcher.desktop
index 36d01b33e9..51ee14c871 100644
--- a/files/org.openmw.launcher.desktop
+++ b/files/org.openmw.launcher.desktop
@@ -8,3 +8,4 @@ TryExec=openmw-launcher
 Exec=openmw-launcher
 Icon=openmw
 Categories=Game;RolePlaying;
+StartupWMClass=openmw-launcher