President Donald Trump poked Secretary of State Marco Rubio on Monday for not giving him enough praise during the Israel-Gaza ceasefire deal.

Rubio joined Trump, Special Envoy to the Middle East Steve Witkoff and other aides ahead of the peace summit in Sharm el-Sheikh, Egypt, in a conversation with Egyptian President Abdel Fattah al-Sisi, The Daily Beast reports.

“This is clearly in my mind, I think in the mind of everyone in this room, it is probably one of the most important days for world peace in 50 years. That’s not an exaggeration,” Rubio said.

That's when Trump interrupted Rubio, saying, “Only 50?”

Rubio, who recognized the president was reacting to the perceived lowball estimate, said, "Maybe 100.”

“Certainly since the end of World War Two,” Rubio said, not including any of the conflicts that happened over the last 80 years, The Beast reports.

Trump, as he signed the deal in front of world leaders, said, "This took 3,000 years."

The president offered praise of Rubio, whom he previously dubbed "Little Marco" when he was an opponent for the Republican Party nomination.

“Marco will go down—I mean this—as the greatest secretary of state in the history of the United States. I believe that—I believe it,” Trump said.