More than half-dozen GOP senators have announced they plan to vote for a measure that would spike Trump’s plan to seize as much as $3.6 billion in funds designated for military construction to instead help pay for a wall along the U.S.-Mexico border.

The number of Republican defections could grow to as many as 13. The vote is slated for Thursday, and Trump is expected to veto the measure when it reaches his desk.

Here are the GOP senators poised to cross Trump.