diff --git a/.github/workflows/integration.yml b/.github/workflows/integration.yml
index 199c8ad..eb1a204 100644
--- a/.github/workflows/integration.yml
+++ b/.github/workflows/integration.yml
@@ -43,7 +43,8 @@ jobs:
         run: |
           cd docs/
           sed -E 's/subtitle:.+/subtitle: "User Manual - version ${{ env.TEST_VER }}"/' user-manual.md > user-manual.md
-          sed -E 's/date:.+/date: "${date \'+%x %T\'}"/' user-manual.md > user-manual.md
+          CURDATE=$(date '+%x %T')
+          sed -E 's/date:.+/date: "$CURDATE"/' user-manual.md > user-manual.md
           go generate
 
       - uses: actions/upload-artifact@v4