diff --git a/.github/workflows/ci-notify-slack.yml b/.github/workflows/ci-notify-slack.yml
index d4406359..b5259f04 100644
--- a/.github/workflows/ci-notify-slack.yml
+++ b/.github/workflows/ci-notify-slack.yml
@@ -15,8 +15,9 @@ jobs:
 
       - name: Sanitize PR title
         id: sanitize
+        env:
+          RAW_TITLE: ${{ github.event.pull_request.title }}
         run: |
-          RAW_TITLE="${{ github.event.pull_request.title }}"
           ESCAPED_TITLE=$(echo "$RAW_TITLE" \
             | sed 's/&/\&/g' \
             | sed 's/</\&lt;/g' \