diff --git a/gvim.desktop b/gvim.desktop
index e1b88a5..72bfdd8 100644
--- a/gvim.desktop
+++ b/gvim.desktop
@@ -59,5 +59,5 @@ Exec=gvim -f %f
 Icon=gvim
 Type=Application
 Terminal=0
-XClassHintResName=X-VIM
+X-XClassHintResName=VIM
 MapNotify=false