The 38-year-old Dallas star reached the historic milestone during the second quarter of the game, with a baseline jumper over Larry Nance Jr.

Cuban’s reaction to the moment was absolutely priceless:

MORE: Mark Cuban wants new Lakers front office to ‘fail miserably’

After the game, Cuban continued celebrating Nowitzki’s achievement on Twitter:

There are only five other 30,000-point scorers in NBA history.

Nowitzki joins Kobe Bryant, Wilt Chamberlain, Kareem Abdul-Jabbar, Karl Malone and Michael Jordan.