Eric Trump attempted to slam former President Barack Obama with a now-deleted tweet crowing about President Donald Trump’s weekend visit to the DMZ where he briefly crossed into North Korea and met with dictator Kim Jong Un.

Eric Trump compared an image of his father at the border with Kim to one of Obama, supposedly taken in 2008, at a much more heavily fortified location. Just one problem: Obama wasn’t president in 2008. And, for that matter, Kim wasn’t North Korea’s leader at that point, either. The country was still ruled by his father, Kim Jong Il, who died in 2011.

Obama visited the DMZ in 2012, not 2008. The president’s son deleted his tweet and tweeted again, with 2012 instead of 2008.

Twitter users had been quick with a fact-check and a date-check: