diff --git a/pkgs/build-support/build-fhs-chrootenv/destroy.sh.in b/pkgs/build-support/build-fhs-chrootenv/destroy.sh.in
index 30b51cb5068f..8ddf350913eb 100644
--- a/pkgs/build-support/build-fhs-chrootenv/destroy.sh.in
+++ b/pkgs/build-support/build-fhs-chrootenv/destroy.sh.in
@@ -3,7 +3,7 @@
 chrootenvDest=/run/chrootenv/@name@
 
 # Remove bind mount points
-rmdir $chrootenvDest/{dev,nix/store,nix,proc,sys,host-etc,home,var,run}
+rmdir $chrootenvDest/{dev,nix/store,nix,proc,sys,host-etc,home,var,run,tmp}
 
 # Remove symlinks to the software that should be part of the chroot system profile
 for i in @chrootEnv@/sw/*
@@ -15,7 +15,8 @@ do
 done
 
 # Remove the remaining folders
-rm -Rf $chrootenvDest/{etc,root,tmp}
+rm -Rf $chrootenvDest/{etc,root}
+rm -Rf /tmp/chrootenv-@name@
 
 # Remove the chroot environment folder
 rmdir $chrootenvDest
diff --git a/pkgs/build-support/build-fhs-chrootenv/init.sh.in b/pkgs/build-support/build-fhs-chrootenv/init.sh.in
index 5b0ab94bc4eb..079ec09d60f7 100644
--- a/pkgs/build-support/build-fhs-chrootenv/init.sh.in
+++ b/pkgs/build-support/build-fhs-chrootenv/init.sh.in
@@ -45,4 +45,5 @@ ln -s ../../../host-etc/static/fonts/conf.d/00-nixos.conf $chrootenvDest/etc/fon
 mkdir $chrootenvDest/root
 
 # Create tmp folder
-mkdir -m1777 $chrootenvDest/tmp
+mkdir -m1777    $chrootenvDest/tmp
+mkdir -m1777 -p /tmp/chrootenv-@name@
diff --git a/pkgs/build-support/build-fhs-chrootenv/mount.sh.in b/pkgs/build-support/build-fhs-chrootenv/mount.sh.in
index 225d9dbc4f72..c64f9356283b 100644
--- a/pkgs/build-support/build-fhs-chrootenv/mount.sh.in
+++ b/pkgs/build-support/build-fhs-chrootenv/mount.sh.in
@@ -21,3 +21,6 @@ mount --rbind /run $chrootenvDest/run
 
 # Bind mount the host system's /etc
 mount --bind /etc $chrootenvDest/host-etc
+
+# Bind mount /tmp
+mount --bind /tmp/chrootenv-@name@ /run/chrootenv/steam/tmp
diff --git a/pkgs/build-support/build-fhs-chrootenv/umount.sh.in b/pkgs/build-support/build-fhs-chrootenv/umount.sh.in
index 5089141c0aa4..b8222a4121ab 100644
--- a/pkgs/build-support/build-fhs-chrootenv/umount.sh.in
+++ b/pkgs/build-support/build-fhs-chrootenv/umount.sh.in
@@ -3,4 +3,4 @@
 chrootenvDest=/run/chrootenv/@name@
 
 # Unmount all (r)bind mounts
-umount -l $chrootenvDest/{dev/pts,dev/shm,dev,nix/store,proc,sys,host-etc,home,var,run}
+umount -l $chrootenvDest/{dev/pts,dev/shm,dev,nix/store,proc,sys,host-etc,home,var,tmp,run}