diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 36813c5..983c7b7 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -28,11 +28,13 @@ jobs:
         run: |
           mkdir -p "$HOME/.ssh"
           echo "$SSH_PUBLIC_KEY" | tee "$HOME/.ssh/authorized_keys"
+          echo "$SSH_PRIVATE_KEY" | tee /tmp/key
+          chmod 600 /tmp/key
           chmod 600 "$HOME/.ssh/authorized_keys"
           echo 'SSH_KNOWN_HOSTS<<EOF' >> $GITHUB_ENV
           echo $(ssh-keyscan localhost) >> $GITHUB_ENV
           echo 'EOF' >> $GITHUB_ENV
-          ssh -i <(echo "$SSH_PRIVATE_KEY") localhost whoami
+          ssh -i /tmp/key localhost whoami
       - name: With everything
         uses: ./
         with: