{
my($self, $album_id)=@_;
my $sql=("SELECT files.name FROM files\n\t" .
- "INNER JOIN files_x_albums ON albums.id=files_x_albums.albums_id\n\t" .
+ "INNER JOIN files_x_albums ON files.id=files_x_albums.files_id\n\t" .
"INNER JOIN albums ON albums.id=files_x_albums.albums_id\n\t" .
"WHERE albums.id=?\n\t" .
"GROUP BY files.name\n");