The retired cyclist insisted "the show must go on" despite his recent problems, ahead of the launch of the fourth season of the Channel 4 show tomorrow.
The 36-year-old, who is one of the top names taking part in the Davina McCall-fronted programme, took to his Instagram page to tell fans all was not well.
Sat on bench while flashing a stern look at the camera, Sir Bradley was seen getting his ankle bandaged up while in Austria.
But, Britain's most decorated Olympian, captioned the image: "The show must go on," reassuring his 314,000 followers he is not about to leave the gruelling contest.
The Jump 2017: Sir Bradley Wiggins shared a worrying snap with fans today
The Jump 2017: Sir Bradley Wiggins admitted that the show must go on
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It's not threatening his taking part in the show.
A source also said of his injury: "It's not threatening his taking part in the show. It's very minor."
Sir Bradley's upload comes after model Vogue Williams was forced to pull out before the The Jump had even started.
The beauty, 31, who injured her knee while training, has since been replaced by model Amy Willerton.
The Jump 2017: Sir Bradley Wiggins is one of the biggest names taking part
The Jump 2017 was plagued with injuries last year
Several celebrities were forced to quit last year's series because of a spate of accidents.
No less than seven famous faces had to withdraw after hurting themselves, including Tina Hobley, Rebecca Adlington and Beth Tweddle.
The fourth season of The Jump begins tomorrow at 7.30pm on Channel 4.