diff -rupN old/7zFM.desktop new/7zFM.desktop
--- old/7zFM.desktop	2015-04-08 21:57:25.843191493 +0100
+++ new/7zFM.desktop	2015-04-09 20:00:28.916665696 +0100
@@ -7,3 +7,4 @@ Categories=GTK;Utility;Archiving;Compres
 Terminal=false
 Icon=p7zip
 Exec=7zFM
+MimeType=application/gzip;application/x-7z-compressed;application/x-7z-compressed-tar;application/x-arj;application/x-bzip;application/x-bzip-compressed-tar;application/x-bzip1;application/x-bzip1-compressed-tar;application/x-cabinet;application/x-cd-image;application/x-compress;application/x-compressed-tar;application/x-cpio;application/x-deb;application/x-gtar;application/x-gzip;application/x-gzpostscript;application/x-lha;application/x-lhz;application/x-lzma;application/x-lzma-compressed-tar;application/x-ms-wim;application/x-rar;application/x-rar-compressed;application/x-rpm;application/x-tar;application/x-xz;application/x-xz-compressed-tar;application/x-zip;application/x-zip-compressed;application/zip;application/vnd.ms-cab-compressed;