diff --git a/pkgs/games/steam/chrootenv.nix b/pkgs/games/steam/chrootenv.nix
index 1876e81dc315..96f409faef87 100644
--- a/pkgs/games/steam/chrootenv.nix
+++ b/pkgs/games/steam/chrootenv.nix
@@ -13,6 +13,7 @@ buildFHSUserEnv {
       pkgs.python
       pkgs.gnome2.zenity
       pkgs.xdg_utils
+      pkgs.xlibs.xrandr
     ]
     ++ lib.optional (config.steam.java or false) pkgs.jdk
     ++ lib.optional (config.steam.primus or false) pkgs.primus