diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 6de6226209f75cee8dbf68e67290fee729605618..909e37fc05c90139dd25e37fe4f3178ff673ed82 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -71,7 +71,7 @@ mkdocs:
     # build pages
   - mkdocs build
     # compress search_index.json
-    #- bash scripts/clean_json.sh site/mkdocs/search_index.json
+  - bash scripts/clean_json.sh site/mkdocs/search_index.json
     # replace broken links in 404.html
   - sed -i 's,href="" title=",href="/" title=",g' site/404.html
     # compress sitemap