diff --git a/GitLab-CI.md b/GitLab-CI.md
index b911690..716d833 100644
--- a/GitLab-CI.md
+++ b/GitLab-CI.md
@@ -18,5 +18,5 @@ test:
     - apk update
     - apk add git
     script:
-    - git ls-files --exclude='*.sh' --ignored -z | xargs -0 shellcheck
+    - git ls-files --exclude='*.sh' --ignored -z | xargs -0r shellcheck
 ```
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