A mandatory recount increased her lead to 2,229 votes, or 0.09%.
Florida law tried to rectify the situation by calling for a mandatory recount when the candidates polled within 0.2 percent of each other.
The ballots are then transported back to the Returning Officer for the electorate for a mandatory recount.
This close margin triggered a mandatory recount.
After a mandatory recount, it was initially decided that he had lost the race to teacher Bill Ritter, but ultimately he was deemed victorious.
The mandatory recount revealed no variance from the original count.
Mr. Bush had 152,954 votes in Palm Beach County after the first mandatory recount, concluded last Wednesday.
But the second mandatory recount, completed early today, gave Mr. Bush 152,951 votes.
Buchanan was declared the winner after a mandatory recount and analysis of alleged voting machine errors in the race.
Note: This vote was subject to mandatory recount due to the margin of win being less than 1/1000 of the total votes.