diff --git a/deluge/ui/data/share/applications/deluge.desktop.in b/deluge/ui/data/share/applications/deluge.desktop.in
index 96645a546..c952d424a 100644
--- a/deluge/ui/data/share/applications/deluge.desktop.in
+++ b/deluge/ui/data/share/applications/deluge.desktop.in
@@ -10,7 +10,7 @@ Icon=deluge
 Terminal=false
 Type=Application
 Categories=Network;FileTransfer;P2P;GTK;
-StartupWMClass=Deluge
+StartupWMClass=deluge
 StartupNotify=true
 MimeType=application/x-bittorrent;x-scheme-handler/magnet;
 X-GNOME-UsesNotifications=true