diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 69d5247..fe3ac75 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -33,7 +33,7 @@ update:
     - git push origin HEAD:$CI_COMMIT_REF_NAME
     # update teh hash for further along in the pipeline
     # https://nsirap.com/posts/043-change-value-of-variable-in-gitlab%20copy/
-    - bash -c "echo "FLAKE_COMMIT=$(git rev-parse HEAD)" >> flake.env"
+    - printf '%s' "FLAKE_COMMIT=$(git rev-parse HEAD)" >> flake.env
   artifacts:
     reports:
       dotenv: flake.env