Adam Milne's side strain means he'll miss tomorrow's fifth one-day international against Sri Lanka at the University Oval.
Milne left the field during the fourth match in Nelson after a tidy display in which he took two for 28 from seven overs. There is not understood any form of tear.
Coach Mike Hesson confirmed the news after today's media conference.
"Adam won't play this game but he's scrubbed up pretty well. It's nothing major but we're being cautious.
"He will start bowling hopefully before the next game. Unless he's fully pain free and without incident, he'll probably be ready for the last game of the series.