 Thereafter, it dropped slowly but regularly on the chart, totaling 12 weeks in the top ten, 19 weeks in the top 50 and 31 weeks on the chart (top 100).In Belgium (Wallonia), "Mauvaise foi nocturne" was charted for 26 weeks in the top 40.It entered the chart at number 29 on 3 March, climbed quickly and eventually reached number-one from its fifth to its ninth week.