diff --git a/redist/io.github.xiaoyifang.goldendict_ng.desktop b/redist/io.github.xiaoyifang.goldendict_ng.desktop
index 720388ed..690fde37 100755
--- a/redist/io.github.xiaoyifang.goldendict_ng.desktop
+++ b/redist/io.github.xiaoyifang.goldendict_ng.desktop
@@ -12,4 +12,4 @@ Keywords[zh_CN]=dict;dictionary;字典;
 Icon=goldendict
 Exec=goldendict %u
 MimeType=x-scheme-handler/goldendict;x-scheme-handler/dict;
-StartupWMClass=goldendict
+StartupWMClass=GoldenDict-ng