Unexpected boolean results with Sequel 4.34.0 (sqlite)

db_creation.rb

				@DB.create_table(:persons) do
					String :name
					String :badge
					String :orig_photo # This is our primary key
					Integer :center_x
					Integer :center_y
					Integer :crop_width
					Boolean :preferred
				end

DB_schema.rb

DB.schema(:persons)[6]

[:preferred,
 {:allow_null=>true,
  :default=>nil,
  :db_type=>"Boolean",
  :primary_key=>false,
  :type=>:boolean,
  :ruby_default=>nil}]

sample_query_and_result.rb

DB[:persons].exclude(preferred:false)

{:name=>"CHARLOTTE DE SEREVILLE", :badge=>"AFEDDAC", :orig_photo=>"DIP_8457.JPG", :center_x=>491, :center_y=>395, :crop_width=>908, :preferred=>false},