diff -Naur data.orig/pdfshuffler.desktop data/pdfshuffler.desktop
--- data.orig/pdfshuffler.desktop	2009-04-20 13:53:03.000000000 +0200
+++ data/pdfshuffler.desktop	2009-08-16 20:44:25.000000000 +0200
@@ -3,8 +3,10 @@
 Name=PDF-Shuffler
 Comment=PDF Merging, Rearranging, Splitting, Rotating and Cropping
 Type=Application
-Exec=pdfshuffler
+Exec=pdfshuffler %F
 Icon=pdfshuffler
-Categories=Office;
+Categories=GTK;Office;
+MimeType=application/pdf;
 Terminal=false
 StartupNotify=false
+InitialPreference=7