New Zealand Foreign Minister Winston Peters said on Wednesday his country must “reset” its relationship with the Cook Islands government after its Pacific neighbour signed agreements with China without consultation.

The South Pacific country of Cook Islands has unveiled the details of a deal with China to boost cooperation after the pact provoked a rare diplomatic clash with the nation’s chief benefactor, New Zealand,

The tiny Pacific nation’s partnership agreement with China was signed amid a furious diplomatic row with New Zealand, its former colonial ruler.

Growing ties between Cook Islands and China, including a new comprehensive partnership agreement action plan detailed this week, have raised concerns in New Zealand, which has a close constitutional relationship with its tiny Pacific neighbour.

New Zealand Foreign Minister Winston Peters has called for a reset in government-to-government relations with the Cook Islands after its Pacific neighbor signed agreements with China without consultation.

China has signed a wide-ranging deal with the Cook Islands, sparking concerns over Beijing’s growing influence in the Pacific. The Cook Islands Prime Minister defended the agreement amid global scrutiny.

Foreign Minister Winston Peters has used a policy address to remind the Cook Islands of their responsibilities under a longstanding pact with New Zealand.