diff --git a/.github/workflows/nightly.yml b/.github/workflows/nightly.yml
index 9a0d13b2..790c274c 100644
--- a/.github/workflows/nightly.yml
+++ b/.github/workflows/nightly.yml
@@ -81,12 +81,13 @@ jobs:
 
     - name: Read release notes
       id: read_notes
+      shell: bash
       run: |
         {
-          echo 'RELEASE_BODY<<EOF'
-          cat NOTES.md
-          echo 'EOF'
-        } >> "$GITHUB_ENV"
+        echo "RELEASE_BODY<<EOF" >> $GITHUB_ENV
+        cat notes.md >> $GITHUB_ENV
+        echo "" >> $GITHUB_ENV
+        echo "EOF" >> $GITHUB_ENV
 
     - name: Update release
       uses: andelf/nightly-release@main