diff --git a/hosts/home.nix b/hosts/home.nix
index 55a4a3b..2b0379a 100644
--- a/hosts/home.nix
+++ b/hosts/home.nix
@@ -41,6 +41,7 @@ in
         # nix-shell -p perl536Packages.FileMimeInfo
         "inode/directory" = "org.gnome.Nautilus.desktop";
         "application/zip" = "org.gnome.FileRoller.desktop";
+        "application/octet-stream" = "org.gnome.GHex.desktop";
       };
     };
   };