That's fine. Just realize that the most you can contribute as an employee with an elective deferral annually to an employer provided 401(k) is $18,000 in 2017 and $18,500 in 2018 if under age 50. If age 50 or older there are catch-up amounts of $6,000 in both 2017 and 2018.
See this IRS website - <a rel="nofollow" target="_blank" href="
https://www.irs.gov/retirement-plans/plan-participant-employee/retirement-topics-401k-and-profit-sha...>
