Correction to: Nature Cancer https://doi.org/10.1038/s43018-019-0003-0, published online 9 December 2019.

In the version of this article initially published, the labels above the bottom two plots of Fig. 5e (PAK4 KO isotype (bottom left) and PAK4 KO anti-PD-1 (bottom right)) were incorrect. The correct labels are PAK4 WT isotype (bottom left) and PAK4 WT anti-PD-1 (bottom right). The legend for Fig. 5e also identified one group incorrectly (‘B16 PAK4 isotype’). The correct list of groups is ‘B16 PAK4 KO isotype; B16 PAK4 KO anti-PD-1; B16 WT isotype; and B16 WT anti-PD-1’. The errors have been corrected in the HTML and PDF versions of the article.