diff --git a/.github/workflows/request-sandbox.yml b/.github/workflows/request-sandbox.yml
index becadf4..97f810e 100644
--- a/.github/workflows/request-sandbox.yml
+++ b/.github/workflows/request-sandbox.yml
@@ -14,7 +14,7 @@ jobs:
         uses: actions/checkout@v4
       - name: Set login name to lowercase
         run: |
-          USERNAME=$(${{ github.event.sender.login }} | tr '[:upper:]' '[:lower:]') 
+          USERNAME=$(echo ${{ github.event.sender.login }} | tr '[:upper:]' '[:lower:]') 
           echo $USERNAME >> $GITHUB_OUTPUT
         id: username
       - name: Add user to sandbox list