Blues face The Addicks at Portman Road on Monday
Town's U23 fixture against Charlton Athletic will now take place at Portman Road on Monday, 23 September [kick-off 7pm].
The Professional Development League Two match was set to take place at the Club's training ground, Playford Road, with a lunchtime kick-off, but will now be held at the main stadium.
Admission is free for season ticket holders and members with prices below.
Adults: £3
Concessions: £1
The game is set to be broadcast live on the Club's Facebook page.