diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index edfbc09debc31ca07f79c72abe86db4ec8a42fe8..39dfa4e9710d882f87af6df14644b04ad68b9606 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -11,7 +11,8 @@ release:
         - mvn package -B
         - echo "create release"
         - ls target/
-        - ls target/ | grep *.zip
+        - ls target/*.zip
+        - ls target/ | grep '\.zip$'
         - ls target/ | grep *.zip | head -n 1
         - FILE= ls target/ | grep *.zip | head -n 1
         - echo $FILE