Los Angeles: Jon Bon Jovi proved that he is a thorough professional after the singer performed for his fans despite suffering from knee injury.

The injury occurred an hour into the band's three-hour set in Olympic Stadium in Helsinki, Finland, but neither the incident nor the torrential downpour could keep the rocker from completing the sold-out show, reports website.

"Fans need not worry -- Jon is in good health and future shows will not be affected," Matt Bongiovi, co-CEO of Backstage with Jon Bon Jovi Fan Club, informed the band's fans on his Facebook page.

The singer is currently on crutches.