diff --git a/pkgs/games/steam/chrootenv.nix b/pkgs/games/steam/chrootenv.nix
index 2173d12666e..b77046746cd 100644
--- a/pkgs/games/steam/chrootenv.nix
+++ b/pkgs/games/steam/chrootenv.nix
@@ -1,10 +1,10 @@
 { buildFHSChrootEnv, steam
-, xterm, libX11, zenity, python, mesa, xdg_utils, dbus_tools, alsaLib
+, xterm, libX11, zenity, python, mesa, xdg_utils, dbus_tools, alsaLib, su
 }:
 
 buildFHSChrootEnv {
   name = "steam";
-  pkgs = [ steam xterm libX11 zenity python mesa xdg_utils dbus_tools alsaLib ];
+  pkgs = [ steam xterm libX11 zenity python mesa xdg_utils dbus_tools alsaLib su ];
   profile = ''
     export LD_LIBRARY_PATH=/run/opengl-driver/lib:/run/opengl-driver-32/lib:/lib
     export FONTCONFIG_FILE=/etc/fonts/fonts.conf