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//Include custom post types in category queries

  function add_custom_types_to_tax( $query ) {
	  
    if( is_category() || is_tag() && empty( $query->query_vars['suppress_filters'] ) ) {
  	
      // Get all your post types
      $post_types = get_post_types();
    	
      $query->set( 'post_type', $post_types );
      return $query;
    	
    }
  }
	
  add_filter( 'pre_get_posts', 'add_custom_types_to_tax' );