President Trump on Thursday said it may be better to cancel his upcoming meeting with Mexican President Enrique Peña Nieto if Mexico refuses to pay for a wall along the U.S.-Mexico border.

"The U.S. has a 60 billion dollar trade deficit with Mexico. It has been a one-sided deal from the beginning of NAFTA with massive numbers...of jobs and companies lost," the president said in a series of tweets.

"If Mexico is unwilling to pay for the badly needed wall, then it would be better to cancel the upcoming meeting."

The U.S. has a 60 billion dollar trade deficit with Mexico. It has been a one-sided deal from the beginning of NAFTA with massive numbers... — Donald J. Trump (@realDonaldTrump) January 26, 2017

of jobs and companies lost. If Mexico is unwilling to pay for the badly needed wall, then it would be better to cancel the upcoming meeting. — Donald J. Trump (@realDonaldTrump) January 26, 2017

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The president on Wednesday signed an executive order that directs federal agencies to begin constructing a wall on the U.S.-Mexico border, his central campaign promise.

In the wake of the executive order, reports surfaced that Peña Nieto may scrap his planned Jan. 31 meeting with the president.

The Associated Press confirmed with a Mexican official that Peña Nieto is "considering" canceling the meeting.

Trump during his presidential campaign and since his election has repeatedly vowed that Mexico would pay for the wall.

In an interview Wednesday on ABC News, the president said that U.S. funds are necessary for beginning construction of the wall.

“I’m just telling you there will be a payment,” he said. "As soon as we can. As soon as we can physically do it.” “I would say in months,” Trump added when pressed on a timeline for building the barrier. "Certainly planning is starting immediately.”