After recently saying the “Gang of Eight” immigration bill would not pass the House of Representatives in its current form, group member Sen. Marco Rubio (R-FL) conceded on Wednesday that the bill might not even pass the Democrat-controlled Senate.

On Sean Hannity’s radio program on Wednesday, Rubio said the bill “quite frankly, may struggle to pass the Senate” because it does not effectively enforce border security as originally promised.

“The part we still have to do some work on is this border stuff,” Rubio said. “As I said in an another interview yesterday, this bill will not pass the House and, quite frankly, may struggle to pass the Senate, if it doesn’t deal with that issue. So we’ve got some work to do. And, clearly, what we have in there now is not good enough for too many people and so we’ve got to make it better and that’s what I’m asking for and that’s what we’re working on.”

In a Tuesday interview with radio host Mike Gallagher, Rubio said the bill would not pass the House of Representatives in its current form. “The bill that’s in place right now probably can’t pass the House,” Rubio said. “It will have to be adjusted, because people are very suspicious about the willingness of the government to enforce the laws now.”