diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index 3464f37..8557eb6 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -8,7 +8,7 @@ on:
 jobs:
   deploy:
     runs-on: ubuntu-latest
-    if: ${{ (github.ref == 'refs/heads/master') && (! contains(toJSON(github.event.commits.*.msg), '[skip ci]')) }}
+    if: ${{ github.ref == 'refs/heads/master' && !contains(github.event.head_commit.message, '[skip ci]') }}
     steps:
       - name: Checkout
         uses: actions/checkout@v1