diff --git a/resources/linux/atom.desktop.in b/resources/linux/atom.desktop.in
index 6c4d93d51..43074179d 100644
--- a/resources/linux/atom.desktop.in
+++ b/resources/linux/atom.desktop.in
@@ -8,4 +8,4 @@ Type=Application
 StartupNotify=true
 Categories=GNOME;GTK;Utility;TextEditor;Development;
 MimeType=text/plain;
-StartupWMClass=Atom
+StartupWMClass=atom