diff --git a/update_chroot b/update_chroot
index b3dfdfe638..d07198f8ba 100755
--- a/update_chroot
+++ b/update_chroot
@@ -80,7 +80,7 @@ info "Setting up portage..."
 sudo mkdir -p "${REPO_CACHE_DIR}/distfiles"
 sudo chown "${PORTAGE_USERNAME}:portage" "${REPO_CACHE_DIR}/distfiles"
 sudo mkdir -p /etc/portage/repos.conf /var/lib/portage/pkgs
-sudo ln -sfT "${COREOS_OVERLAY}/coreos/user-patches" '/etc/portage/patches'
+sudo ln -sfT "${REPO_ROOT}/src/third_party/coreos-overlay/coreos/user-patches" /etc/portage/patches
 sudo touch /etc/portage/make.conf.user
 
 sudo_clobber "/etc/portage/make.conf" <<EOF