Late Sunday night, President Trump sent out a note of congratulations on Twitter to Mexico’s newly elected president, Andres Manuel Lopez Obrador.

López Obrador will take office on Dec. 1, 2018. Trump tweeted:

Congratulations to Andres Manuel Lopez Obrador on becoming the next President of Mexico. I look very much forward to working with him. There is much to be done that will benefit both the United States and Mexico!