diff --git a/lib/lyx.desktop.in b/lib/lyx.desktop.in
index 64ec892ded..c158e88d58 100644
--- a/lib/lyx.desktop.in
+++ b/lib/lyx.desktop.in
@@ -9,7 +9,7 @@ Exec=lyx@program_suffix@ %F
 TryExec=lyx@program_suffix@
 Icon=lyx@program_suffix@
 StartupNotify=false
-StartupWMClass=Lyx
+StartupWMClass=@PACKAGE@
 Terminal=false
 Categories=Office;WordProcessor;Qt;
 MimeType=text/x-lyx;application/x-lyx;