diff --git a/install.sh b/install.sh
index aec9987..e67597c 100644
--- a/install.sh
+++ b/install.sh
@@ -86,7 +86,7 @@ Exec=$executable_path %u
 Icon=$icon_path
 Terminal=false
 StartupNotify=true
-StartupWMClass=zen-release
+StartupWMClass=zen
 NoDisplay=false
 Type=Application
 MimeType=text/html;text/xml;application/xhtml+xml;application/vnd.mozilla.xul+xml;text/mml;x-scheme-handler/http;x-scheme-handler/https;