diff --git a/.github/workflows/deploy.yml b/.github/workflows/deploy.yml
index db58da3..eb48135 100644
--- a/.github/workflows/deploy.yml
+++ b/.github/workflows/deploy.yml
@@ -38,7 +38,7 @@ jobs:
       uses: shimataro/ssh-key-action@v2
       with:
         key: ${{ secrets.SSH_KEY }}
-        known_hosts: ${{ vars.KNOWN_HOSTS }}
+        known_hosts: ${{ secrets.KNOWN_HOSTS }}
 
     - name: Deploy to demo server
       run: |