Ben Shapiro said it was "disquieting" to see President Donald Trump praise North Korean leader Kim Jong Un.

Trump and Kim held a historic summit on Tuesday and signed a document stating that Pyongyang would work toward "complete denuclearization of the Korean Peninsula."

After the meeting, Trump said Kim has a "great personality" and is "a very talented man."

"This is a slave state with 25 million prisoners and a gulag system hundreds of thousands of people wide," Shapiro said on "Fox & Friends" on Tuesday. "The president's praise for the dictator of North Korea was disquieting."


Hannity: Trump-Kim Summit as Historic as Reagan-Gorbachev in Reykjavik

'Will You Give Up Your Nuclear Weapons?': CNN's Acosta Shouts Questions at Kim, Trump


He said people are excited that a U.S. president met with the leader of North Korea for the first time and Kim committed to denuclearization, but the rogue regime has yet to actually make any concessions.

"There's no history of this family ever having not lied to the West," Shapiro said.

He argued that Trump's aggressive posture toward North Korea in the build-up to the summit was more positive than the summit itself.

"We didn't have the do this. The guy's a tin-pot dictator, and treating him as though he's an equal world leader seems to me counterproductive," Shapiro said.

"The outcome is going to determine whether this was a historic turning point or whether this was a debacle."


WATCH: Donald Trump, Kim Jong Un Shake Hands, Exchange Greetings

Steyn: Trump-Kim Summit 'Completely the Opposite' to How Previous Western Leaders Operated

Wallace: Definition of 'Denuclearization,' Timetable of Sanctions Relief Could Be Sticking Points