The GOP sponsor of a poison pill that passed the Senate and could ultimately kill the District of Columbia House Voting Rights Act said Wednesday that his amendment, if offered, would also pass the House.

“There’s no question. If this is voted on, it will pass,— said Sen. John Ensign (R-Nev.), whose amendment would strike most of the District’s gun safety laws. “[Speaker] Nancy Pelosi [D-Calif.] knows that.—

The Senate passed the D.C. voting rights act last week by a 61-37 margin, with Ensign’s amendment attached.

House Democratic leaders fear that if a similar amendment is offered in the House, it would dissuade a majority of House Members from passing the voting rights act.

After a Democratic Caucus meeting Tuesday evening, House Majority Leader Steny Hoyer (D-Md.) said there would be no votes on the bill this week. “Clearly, we don’t yet have an agreement— on the bill, he said.