The U.N. panel of climate experts overstated how much of the Netherlands is below sea level, according to a preliminary report on Saturday, admitting yet another flaw after a row last month over Himalayan glacier melt.

A background note by the Intergovernmental Panel on Climate Change (IPCC) said a 2007 report wrongly stated that 55 percent of the country was below sea level since the figure included areas above sea level, prone to flooding along rivers.