Workers who took part in last week's strike at Dunnes Stores are now being victimised by managers.
That's according to the Mandate Trade Union which says some workers have been dismissed, while others have had shifts cut back.
Around 6,000 workers took part in the strike last Thursday to protest against zero-hour contracts that can lead to unpredictable working hours.
The union says these hours mean it's impossible for staff to put together household budgets, as they can never predict their income ahead of the shifts being assigned. This, in turn, makes it impossible to apply for many loans.
The workers were supported by politicians from all sides, including Taoiseach Enda Kenny, who lamented the need for a strike but said the Dunnes workers were entitled to "certainty".
Mandate's Gerry Light says Dunnes' response to workers has been deplorable:
Dunnes Stores has yet to comment on the claims.