House Republican leaders are delaying until next week their plans to whip a compromise immigration bill as they seek clarity on President Donald Trump’s position on the measure, according to Chief Deputy Whip Patrick T. McHenry.

“House Republicans are not going to take on immigration without the support and endorsement of President Trump,” the North Carolina Republican said.

The GOP whip team was supposed to use a Friday morning vote series to check members’ positions on the compromise bill. But earlier that morning Trump went on Fox News and said he “certainly would not sign” the legislation.

Fox News anchor Steve Doocy had noted the House’s plan to vote on two bills next week, one by House Judiciary Chairman Bob Goodlatte and the compromise bill that Doocy referred to as “more moderate.”

Trump said he was looking at both bills but wouldn’t sign the more moderate one.