diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 361db4e869d43d423ee2805ecdb041749e364b28..330cacf753d24de3c47feac6e3626f52cc73c142 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -75,7 +75,7 @@ mkdocs:
     # replace broken links in 404.html
   - sed -i 's,href="" title=",href="/" title=",g' site/404.html
   - cp site/404.html site/403.html
-  - sed -i 's/404 - Not found/403 - Forbidden/,g' site/403.html
+  - sed -i 's/404 - Not found/403 - Forbidden/g' site/403.html
     # compress sitemap
   - gzip < site/sitemap.xml > site/sitemap.xml.gz
   artifacts: