diff -up kchmviewer-4.0beta3/src/kde/kchmviewer.desktop.desktop_fix kchmviewer-4.0beta3/src/kde/kchmviewer.desktop
--- kchmviewer-4.0beta3/src/kde/kchmviewer.desktop.desktop_fix	2008-08-13 15:44:40.000000000 +0200
+++ kchmviewer-4.0beta3/src/kde/kchmviewer.desktop	2008-08-13 15:47:13.000000000 +0200
@@ -4,8 +4,8 @@ Categories=Qt;KDE;Utility;
 Encoding=UTF-8
 Terminal=false
 Type=Application
-Exec=kchmviewer %U
+Exec=kchmviewer %f
 Icon=kchmviewer
 GenericName=A viewer for CHM files
 Comment=A viewer of CHM (MS-Help) files
-MimeType=application/chm
+MimeType=application/chm;application/x-chm;