Jimmy Fallon canceled Friday's "Tonight Show" taping after being hospitalized for a hand injury, and now the late-night host has revealed what really happened.

"Tripped and caught my fall (good thing)! Ring caught on side of table almost ripped my finger off (bad thing)," the tweeted later that afternoon.

NBC aired a repeat episode Friday night while Fallon recovers, but a network spokesman assured that the comedian is fine.

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An insider with knowledge of the situation told TheWrap that Fallon had needed minor surgery for his injury.

Fallon was spotted out and about in Manhattan's Upper East Side on Thursday night, and snapped a few photographs with fans dining at a restaurant called Scalinatella.

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According to TMZ, the injury to his left hand happened early Friday morning in his apartment, and then went to the hospital, where a specialist recommended immediate surgery.

No word from Fallon as to whether alcohol contributed to Fallon's late-night fall.