Summit Entertainment has tapped Scott Speer to direct its fourth “Step Up” film, replacing the previously announced Wade Robson.

The minimajor announced Tuesday that Robson, who was selected in December, has ankled for personal reasons and was not available to make a planned summer start date. The film will be shot in 3D and be set in Miami.

The fourth “Step Up” will be penned by Jenny Mayer. The film will be produced by Jennifer Gibgot and Adam Shankman via their Offspring Entertainment banner as well as Summit co-topper Patrick Wachsberger and production chief Erik Feig.

Jon M. Chu, director of the second and third “Step Up” pics, will exec produce as well as Offspring’s Matt Smith.

Distribution has not been set on the yet-to-titled film. Summit has handled international distribution on the first three.

The “Step Up” pics, launched in 2006, have become the industry’s most successful dance franchise with worldwide grosses topping $420 million. Summit Entertainment and Offspring have produced all three films.

Speer is a music video and commercial director. He worked with Chu on a series of television episodes for Chu / Paramount Insurge’s “The LXD: The Legion of Extraordinary Dancers” and has directed music videos for such talented musicians as Jordin Sparks, Will.I.Am, Jason Derulo and Orianthi Lacey.

Feig and Meredith Milton will oversee the project for the studio.

Speer is repped by WME and Principato-Young Ent.