Venezuela’s opposition leader Juan Guaido warned President Nicolas Maduro on Tuesday that any attempts to bring forward parliamentary elections would end in “disaster” for the government.

Elections to renew the National Assembly, the only branch of government under opposition control, are set for December 2020.

But the Constituent Assembly, a rival body created by the Maduro government and given extraordinary powers superseding the National Assembly, has hinted at the possibility of ordering early elections.

Such a move could threaten the opposition’s hold on the National Assembly and with it Guaido’s claim as head of the legislature to be the country’s self-interim president.

“What would happen if the regime dared to — and it could — bring forward an irregular convocation for elections without any conditions?” said Guaido.

“They will drown in contradictions, in isolation — they will drown in disaster.”