diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index becdcdbb74aa74a9a911eafef1791668389c739d..259c06b92bbf7603100c2454551e08db1f1eba71 100755
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,6 +27,7 @@ pages-devel:
   stage: deploy
   script:
     - echo $EXPORT_PAGES_DIR
+    - which jar
     - mkdir .public
     - cp -r css .public
     - cp -r images .public