diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index e6915b2a1ae37653a95aef6ccdf0a83ae205ab6d..bfa8cfa4cce45b574c961fea7daaa90efe876055 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -61,7 +61,7 @@ jruby_1.7:
     - ruby -v
     - find . -name "*\.rb" -print0 | xargs -I {} -0 -n1 sh -c "ls {}; ruby -c {}"
 
-ruby_9.1:
+jruby_9.1:
   image: jruby:9.1
   stage: syntax_j91
   tags: