diff --git a/libraries/chain/asset_object.cpp b/libraries/chain/asset_object.cpp
index f357e541..82951d79 100644
--- a/libraries/chain/asset_object.cpp
+++ b/libraries/chain/asset_object.cpp
@@ -187,10 +187,10 @@ vector<account_id_type> asset_object::get_holders( database& db ) const
    return holders;
 }
 
-vector<uint16_t> asset_object::get_ticket_ids( database& db ) const
+vector<uint64_t> asset_object::get_ticket_ids( database& db ) const
 {
    auto& asset_bal_idx = db.get_index_type< account_balance_index >().indices().get< by_asset_balance >();
-   vector<uint16_t> ids;
+   vector<uint64_t> ids;
    const auto range = asset_bal_idx.equal_range( boost::make_tuple( get_id() ) );
 
    for( const account_balance_object& bal : boost::make_iterator_range( range.first, range.second ) )
@@ -243,7 +243,7 @@ map< account_id_type, vector< uint16_t > > asset_object::distribute_winners_part
    transaction_evaluation_state eval( &db );
       
    auto holders = get_holders( db );
-   vector<uint16_t> ticket_ids = get_ticket_ids(db);
+   vector<uint64_t> ticket_ids = get_ticket_ids(db);
    FC_ASSERT( dynamic_data( db ).current_supply == holders.size() );
    map<account_id_type, vector<uint16_t> > structurized_participants;
    for( account_id_type holder : holders )
@@ -274,7 +274,7 @@ map< account_id_type, vector< uint16_t > > asset_object::distribute_winners_part
       reward_op.winner = holders[winner_num];
       if(db.head_block_time() > HARDFORK_5050_1_TIME && ticket_ids.size() >= winner_num)
       {
-         const static_variant<uint16_t, void_t> tkt_id = ticket_ids[winner_num];
+         const static_variant<uint64_t, void_t> tkt_id = ticket_ids[winner_num];
          reward_op.winner_ticket_id = tkt_id;
       }
       reward_op.win_percentage = tickets[c];
diff --git a/libraries/chain/include/graphene/chain/asset_object.hpp b/libraries/chain/include/graphene/chain/asset_object.hpp
index 95d36ed4..d8c65e89 100644
--- a/libraries/chain/include/graphene/chain/asset_object.hpp
+++ b/libraries/chain/include/graphene/chain/asset_object.hpp
@@ -134,7 +134,7 @@ namespace graphene { namespace chain {
          optional<lottery_asset_options> lottery_options;
          time_point_sec get_lottery_expiration() const;
          vector<account_id_type> get_holders( database& db ) const;
-         vector<uint16_t> get_ticket_ids( database& db ) const;
+         vector<uint64_t> get_ticket_ids( database& db ) const;
          void distribute_benefactors_part( database& db );
          map< account_id_type, vector< uint16_t > > distribute_winners_part( database& db );
          void distribute_sweeps_holders_part( database& db );
diff --git a/libraries/chain/include/graphene/chain/protocol/lottery_ops.hpp b/libraries/chain/include/graphene/chain/protocol/lottery_ops.hpp
index 0bc64129..4f512bce 100644
--- a/libraries/chain/include/graphene/chain/protocol/lottery_ops.hpp
+++ b/libraries/chain/include/graphene/chain/protocol/lottery_ops.hpp
@@ -52,7 +52,7 @@ namespace graphene { namespace chain {
       share_type      calculate_fee( const fee_parameters_type& k )const;
    };
 
-   typedef static_variant<uint16_t, void_t> ticket_num;
+   typedef static_variant<uint64_t, void_t> ticket_num;
 
    /**
     * @ingroup operations