diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 77f83db..5459a8b 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -45,7 +45,7 @@ jobs:
         with:
           name: github-pages
           # Path of the directory containing the static assets.
-          path: $RUNNER_TEMP/artifact.tar
+          path: ${{ RUNNER_TEMP }}/artifact.tar
           # Duration after which artifact will expire in days.
           retention-days: 1
   deploy: