“That’s bulls—,” Tester told Punchbowl News. “You can’t on one hand talk about how the border’s not secure, and on the other hand say we’re not going to secure the border because we don’t want it to be secure.”

Tester said last month that he would support the bill as a stand-alone after previously voting against it when it was offered as an amendment to a spending package to fund the departments of Defense and Homeland Security alongside other priorities.