Nat. Cell Biol. 15, 1035–1044 (2013); published online 25 August 2013; corrected after print 29 August 2013

In the version of this Article originally published, there was an error in Fig. 4a. The labels “Yap siRNA” and “Taz siRNA” were switched. This has been corrected in the PDF and HTML versions of the Article.