diff --git a/.github/actions/slack/action.yml b/.github/actions/slack/action.yml
index 1a41d3af..bede0000 100644
--- a/.github/actions/slack/action.yml
+++ b/.github/actions/slack/action.yml
@@ -14,6 +14,7 @@ runs:
   steps:
     - name: Send custom JSON data to Slack workflow
       id: slack
+      if: inputs.CHANNEL != '' && inputs.MESSAGE != ''
       uses: slackapi/slack-github-action@v1.27.0
       with:
         payload: |