output = mlt_properties_get_data( properties, "output_file", NULL );
if ( output == NULL )
{
- output = fopen( target, "w" );
+ output = fopen( target, "wb" );
if ( output != NULL )
mlt_properties_set_data( properties, "output_file", output, 0, ( mlt_destructor )fclose, 0 );
}