diff --git a/.github/workflows/test-diffcalc.yml b/.github/workflows/test-diffcalc.yml
index 48e1e238c1..64ffa84c5e 100644
--- a/.github/workflows/test-diffcalc.yml
+++ b/.github/workflows/test-diffcalc.yml
@@ -23,8 +23,7 @@ jobs:
     if: |
       contains(github.event.comment.html_url, '/pull/') &&
       contains(github.event.comment.body, '!pp check') &&
-      ${{ github.event.comment.author_association == 'MEMBER' }} &&
-      contains(github.event.comment.body, ${{ matrix.ruleset.id }})
+      ${{ github.event.comment.author_association == 'MEMBER' }}
 
     strategy:
       fail-fast: false
@@ -34,6 +33,10 @@ jobs:
           - { name: taiko, id: 1 }
           - { name: catch, id: 2 }
           - { name: mania, id: 3 }
+        isValidRuleset:
+          - contains(github.event.comment.body, ${{ matrix.ruleset.id }})
+        exclude:
+          - isValidRuleset: false
 
     services:
       mysql: