diff --git a/lib/tdeio-msits/kchmviewer.desktop b/lib/tdeio-msits/kchmviewer.desktop
index 83dd1cc..a011e8f 100644
--- a/lib/tdeio-msits/kchmviewer.desktop
+++ b/lib/tdeio-msits/kchmviewer.desktop
@@ -9,4 +9,4 @@ Name=KchmViewer
 GenericName=CHM (MS-Help) Viewer
 Comment=A viewer for CHM (MS-Help) files
 MimeType=application/chm
-DocPath=kchmviewer/index.html
+X-DocPath=kchmviewer/index.html