diff --git a/tools/kthesaurus/KThesaurus.desktop b/tools/kthesaurus/KThesaurus.desktop
index 4408802ff..d612041cb 100644
--- a/tools/kthesaurus/KThesaurus.desktop
+++ b/tools/kthesaurus/KThesaurus.desktop
@@ -76,3 +76,4 @@ GenericName[zh_CN]=相关单词
 GenericName[zh_TW]=相關單字
 X-TDE-StartupNotify=true
 Categories=Qt;TDE;Office;
+DocPath=thesaurus/index.html