“I’m predicting that it will be a dramatically bigger victory than people currently expect,” the former House speaker from Georgia said during an appearance on Fox News’ “Watters’ World.”

A Trump victory is “beginning to build,” Gingrich added.

Gingrich was reacting to the Democratic Convention, saying that when the GOP gathers this week at the Republican Convention, the party needs only to continue pointing out their differences from Democrats in order to bolster Trump’s chances.

“We don’t have to want to make stuff up. We don’t have to invent some post office phony scandal. We just have to tell the truth about how radical these people are,” Gingrich said.