Stéphane Mbia has denied saying that he does not have a future at Queens Park Rangers following their relegation to the Championship and claims his Twitter account was hacked after a series of messages appeared expressing an apparent eagerness to return to Marseille.

The Cameroon international, who was signed for around £4m from the French club last August with QPR's Joey Barton moving in the opposite direction on a season-long loan, has just under 32,000 followers on the social networking site and appeared to contact the former England midfielder on Monday asking if he would consider swapping clubs again at the end of the season.

The message, "Do you want to rechange [sic] your seat with me", was later removed only to be replaced at around 4pm with a further tweet, first in French and then repeated in English, that read: "No it was not a joke. I delete my tweet on pressure. I want speak with QPR but they don't want. So @Joey7Barton do you want rechange your seat with me?"

Yet Mbia, when asked to explain that follow-up, claimed he had not written the messages. "I do not know how this happened but someone must have got hold of my login and password because I did not write these things," he said when contacted by the Guardian. "This was not me. I did not write the tweets, and I have made people at the club aware of that. I saw the messages this morning and spoke with the club about them, but now I see there are more appearing in my name."

Barton, who was sent off on his last appearance for QPR against Manchester City in the final game of last season and was given a 12-game ban, had responded to the original message. "How do I answer this politically? Er... Nope," he wrote, before adding: "If you go down with a team, you should stay and help them up mate. They need you all to stick together and help them back."

The future for Mbia, like that of many of the players expensively recruited by Mark Hughes last summer, will become clear only when he meets the chairman, Tony Fernandes, and the manager, Harry Redknapp, at the end of this campaign. Should interest be lodged in the 26-year-old midfielder, who has made 27 Premier League starts this term, it is likely he will be permitted to leave. "Afterwards, I will speak with the chairman and the manager and see what they want to do. We will see."

Barton has been handed a two-game suspended ban by the French League for calling the Paris Saint-Germain defender Thiago Silva an "overweight ladyboy" on Twitter. The league's national ethics committee imposed the sanction after deeming the Englishman's comments "inappropriate". PSG had threatened their own action against Barton, whose comments also drew condemnation from gay activists. "The remarks he made towards Thiago Silva were not homophobic remarks," said the president of the ethics committee, Laurent Davenas. "They were just out of place."