Her election was invalidated on 16 November 2017 after it was determined that her substitute, Michel Alexeef, was ineligible as a result of his having served as a president of an employment tribunal within the constituency, disqualifying him under the electoral code.
A by-election for the constituency was subsequently held in 2018, in which she was defeated in the second round, receiving 48.55% of the vote against Antoine Savignat, candidate of The Republicans (LR).