North East Somerset MP Jacob Rees-Mogg has again called for an electoral pact with UKIP ahead of the 2015 general election.
Mr Rees-Mogg is one of three Conservative who want to strike a deal with the party.
Mr Ree-Mogg, along with Douglas Carswell and Peter Bone, has put forward the suggestion.
Mr Rees-Mogg told the BBC: "With the promise of the referendum, the Conservative party and UkIP are moving in exactly the same direction – offering the British people a final decision on whether we have continued membership of the EU. That surely pushes towards a coupon of some kind."
The suggestion has been ruled out by the Tory chairman, Grant Shapps.