($self->{hash_object_pid}, $self->{hash_object_in},
         $self->{hash_object_out}, $self->{hash_object_ctx}) =
-               command_bidi_pipe(qw(hash-object -w --stdin-paths));
+               command_bidi_pipe(qw(hash-object -w --stdin-paths --no-filters));
 }
 
 sub _close_hash_and_insert_object {