diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 8e4a51874..adcb8a932 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,7 +26,7 @@ node dependencies:
     - install -m 0644 .gitlab-ci/nix-bootstrap.conf /etc/nix/nix.conf
     - .gitlab-ci/write-minio-creds.sh
     - .gitlab-ci/make-minio-bucket.sh
-    - nix-env -f .gitlab-ci/patched-nix.nix -iE 'f: f {}'
+    - "nix-env -f .gitlab-ci/patched-nix.nix -iE 'f: f {}'"
     - cp -pr --reflink=auto -L .gitlab-ci/upload-to-cache.sh /etc/nix/upload-to-cache.sh
     - install -m 0644 .gitlab-ci/nix.conf /etc/nix/nix.conf
     - git config --global init.defaultBranch master