Ipswich manager Kieran McKenna will give Maidstone plenty of respect as his promotion-chasing side look to avoid becoming another FA Cup scalp.
The Vanarama National League South club are the lowest-ranked team remaining in the competition.
Maidstone beat Sky Bet League One Stevenage to reach the FA Cup fourth round for the first time since they were reformed in 1992.
With Town sitting second in the Championship as they chase a place in the Premier League next season, McKenna has warned against any sense of complacency for Saturday's televised encounter at Portman Road.