diff --git a/roomserver/storage/shared/membership_updater.go b/roomserver/storage/shared/membership_updater.go
index ffcf1f43d..07fb697f9 100644
--- a/roomserver/storage/shared/membership_updater.go
+++ b/roomserver/storage/shared/membership_updater.go
@@ -91,6 +91,9 @@ func (u *MembershipUpdater) IsKnock() bool {
 }
 
 func (u *MembershipUpdater) Delete() error {
+	if _, err := u.d.InvitesTable.UpdateInviteRetired(u.ctx, u.txn, u.roomNID, u.targetUserNID); err != nil {
+		return err
+	}
 	return u.d.MembershipTable.DeleteMembership(u.ctx, u.txn, u.roomNID, u.targetUserNID)
 }
 
diff --git a/sytest-blacklist b/sytest-blacklist
index b1ac1df73..bcc345f6e 100644
--- a/sytest-blacklist
+++ b/sytest-blacklist
@@ -49,7 +49,3 @@ Notifications can be viewed with GET /notifications
 
 If remote user leaves room we no longer receive device updates
 Guest users can join guest_access rooms
-
-# Something is wrong with this test — it passes fine on Complement
-
-Invited user can reject invite over federation several times
diff --git a/sytest-whitelist b/sytest-whitelist
index a5cc8bf42..2a145291f 100644
--- a/sytest-whitelist
+++ b/sytest-whitelist
@@ -413,6 +413,7 @@ Remote users may not join unfederated rooms
 Non-numeric ports in server names are rejected
 Invited user can reject invite over federation
 Invited user can reject invite over federation for empty room
+Invited user can reject invite over federation several times
 Can reject invites over federation for rooms with version 1
 Can reject invites over federation for rooms with version 2
 Can reject invites over federation for rooms with version 3