diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 998d82a..316024a 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -29,8 +29,8 @@ pages:
     - zip -r ../site-en.zip ./
     - cd ..
     - git restore .
-    # Build the ES version (in time this should be a single build with automated language switching)
-    - sed -i "" 's/^languages:.*/languages: ["es", "en"]/g' ../butter-box-ui/_config.yml
+    # Build the ES version (TODO: use a single build for all deployments)
+    - "sed -i 's/^languages:.*/languages: [\"es\", \"en\"]/g' ../butter-box-ui/_config.yml"
     - sed -i "s/REPLACEME/comolamantequilla/g" _data/deployment.yml
     - bundle exec jekyll build -d public
     - cd public