diff --git a/ci/nur/path.py b/ci/nur/path.py
index 260f0d795..c6649f0e5 100644
--- a/ci/nur/path.py
+++ b/ci/nur/path.py
@@ -26,6 +26,7 @@ def _find_root() -> Path:
                     return new_root
                 else:
                     raise NurError("NUR repository not found in current directory")
+            root = new_root
 
 
 ROOT = _find_root()
diff --git a/ci/update-nur.sh b/ci/update-nur.sh
index b94344817..9a166e78a 100755
--- a/ci/update-nur.sh
+++ b/ci/update-nur.sh
@@ -9,7 +9,7 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null && pwd )"
 source ${DIR}/lib/setup-git.sh
 set -x
 
-nix run ${DIR}# -- update
+nix run "${DIR}#" -- update
 
 cd ${DIR}/..
 
@@ -17,6 +17,8 @@ git clone \
   --single-branch \
   "https://$API_TOKEN_GITHUB@github.com/nix-community/nur-combined.git"
 
+nix run "${DIR}#" -- combine nur-combined
+
 if [[ -z "$(git diff --exit-code)" ]]; then
   echo "No changes to the output on this push; exiting."
 else