Euro zone consumer confidence fell by 0.4 points in August from the July number, figures released on today showed.
The European Commission said a flash estimate showed euro zone consumer morale decreased to -13.4 this month from -13.0 in July.
Economists polled by Reuters had expected a rise to -12.6.
In the European Union as a whole, consumer sentiment fell by 0.1 points to -12.3.