diff --git a/.github/workflows/pr_checking.yml b/.github/workflows/pr_checking.yml
index 7799b94c..d1554610 100644
--- a/.github/workflows/pr_checking.yml
+++ b/.github/workflows/pr_checking.yml
@@ -50,7 +50,7 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Close PR if spam are found and author is not a contributor or member
-        if: ${{ env.is_spam == 'true' && github.event.pull_request.author_association != 'CONTRIBUTOR' && github.event.pull_request.author_association != 'MEMBER' && github.event.pull_request.author_association != 'OWNER' }}
+        if: ${{ env.is_spam == 'true' && github.event.pull_request.author_association == 'FIRST_TIME_CONTRIBUTOR' }}
         run: gh pr close ${{ github.event.pull_request.number }} --comment "Spam detected"
         env:
-          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
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