diff --git a/libraries/chain/include/graphene/chain/vesting_balance_object.hpp b/libraries/chain/include/graphene/chain/vesting_balance_object.hpp
index 0c2a12f7..5ae93a4a 100644
--- a/libraries/chain/include/graphene/chain/vesting_balance_object.hpp
+++ b/libraries/chain/include/graphene/chain/vesting_balance_object.hpp
@@ -188,8 +188,9 @@ namespace graphene { namespace chain {
         ordered_non_unique< tag<by_asset_balance>,
            composite_key<
               vesting_balance_object,
-              member_offset<vesting_balance_object, asset_id_type, (size_t) (offset_s(vesting_balance_object,balance) + offset_s(asset,asset_id))>,
-              member_offset<vesting_balance_object, share_type, (size_t) (offset_s(vesting_balance_object,balance) + offset_s(asset,amount))>
+              member_offset<vesting_balance_object, asset_id_type, (size_t) (offsetof(vesting_balance_object,balance) + offsetof(asset,asset_id))>,
+              member<vesting_balance_object, vesting_balance_type, &vesting_balance_object::balance_type>,
+              member_offset<vesting_balance_object, share_type, (size_t) (offsetof(vesting_balance_object,balance) + offsetof(asset,amount))>
               //member<vesting_balance_object, account_id_type, &vesting_balance_object::owner>
               //member_offset<vesting_balance_object, account_id_type, (size_t) (offset_s(vesting_balance_object,owner))>
            >,