DBT3 query #10 returns incorrect results

Build tested: 1.5.0-1 (drone build #120)

database: dbt3 1mb
query:
select
c_custkey,
c_name,
sum(l_extendedprice * (1 - l_discount)) as revenue,
c_acctbal,
n_name,
c_address,
c_phone,
c_comment
from
customer,
orders,
lineitem,
nation
where
c_custkey = o_custkey
and l_orderkey = o_orderkey
and o_orderdate >= '1994-12-01'
and o_orderdate < date_add( '1994-12-01' , interval 3 month)
and l_returnflag = 'R'
and c_nationkey = n_nationkey
group by
c_custkey,
c_name,
c_acctbal,
c_phone,
n_name,
c_address,
c_comment
order by
revenue desc
LIMIT 20;

ColumnStore returned:

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14 rows in set (0.056 sec)

InnoDB returned:

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20 rows in set (0.051 sec)