The gold miner said the change in the political situation appeared to be due a disagreement within the Burkina Faso military around the management of security issues in the north and east of the country.
Those areas of Burkina Faso have been bedevilled by Islamic-associated terrorist insurgencies in recent years.
According to WAF, the new military leadership has released a statement part of which urged the people of Burkina Faso to ‘go about their business in peace'.
WAF said remains on track to meet 2022 production guidance of 220,000-240,000 ounces gold at all-in sustaining costs of US$1040-1100/oz.
Shares in WAF were down 7.6% to A97c in morning trade, capitalising the company at $990 million.