diff --git a/.github/workflows/release_note.yml b/.github/workflows/release_note.yml
index 8f3e931..e2527ed 100644
--- a/.github/workflows/release_note.yml
+++ b/.github/workflows/release_note.yml
@@ -15,7 +15,7 @@ jobs:
         uses: actions/checkout@v2
       - name: Fetch version
         run: |
-          VERSION=$(echo "${GITHUB_HEAD_REF}" | sed "s/release\\\\/v//")
+          VERSION=$(echo "${GITHUB_HEAD_REF}" | sed "s#release/v##")
           echo "version=${VERSION}" >> $GITHUB_OUTPUT
         id: fetch-version
       - name: Generate release notes