Ça plane pour moi 4 in Ireland, and No. 2 in Netherlands (behind Boney M.'s "Rivers of Babylon"). It also topped the Swiss Charts for one week and the French charts for 2 consecutive weeks. In Oceania, the song peaked at No. 7 in New Zealand, and No. 2 in Australia in early January 1979. On the other side of the Atlantic, "Ça plane pour moi" entered the "Billboard" Hot 100, a feat for a French-language song because only "Dominique" by the Belgian singer The Singing Nun and "Je t'aime... moi non plus" by French and English singers Serge Gainsbourg and Jane Birkin, respectively
The Singing Nun that "nobody knew who it was". She suffered a nervous breakdown followed by two years of psychotherapy. Deckers had a relationship with Annie Pécher (1944–1985), whom she had first met when she worked as a counsellor in a seaside camp in her youth. Annie, who was 11 years her junior, became warmly attached to her, a sentiment that Deckers did not reciprocate at the time. Nevertheless, Pécher visited Deckers regularly in her convent, went to live near where Deckers stayed when sent to study at Leuven, and even fell into a deep depression and attempted suicide when it seemed Deckers