The rate, according to Google, had spiked to 6.24 against the greenback around midnight before returning to about 4.75.
In a brief statement, the central bank said the “inaccurate” 6.24 exchange rate was “misreported” by Google.
“The high and low trading range recorded in the onshore interbank market was between 4.7480/4.7630 yesterday, as published on the BNM website.
“Members of the public are advised to exercise caution against using unverifiable sources as a reference for the ringgit,” it said.