File Typs returns, application/octet-stream & application/replay

[Ziph]

I have made a little upload place for me and my friends.

I made it so you can only upload application/replay files

 

if($_FILES['userfile']['type'] != "application/replay") {

echo "$filetype Sorry, we only allow uploading REP files";

exit;

 

when i try to upload a file a JPG it indeed works and when i upload a .rep a replay file it gets allowed.

 

THE problem is. if a friend tries to upload this same rep file from his computer it gets rejected because its not a application/replay anymore for some reason but a octet-stream how do i fix this problem ?