diff --git a/.woodpecker.yaml b/.woodpecker.yaml
index 38482d3..9c65dda 100644
--- a/.woodpecker.yaml
+++ b/.woodpecker.yaml
@@ -16,7 +16,7 @@ steps:
       - mkdir -p ~/.ssh
       - chmod 700 ~/.ssh
       # Create the SSH key file
-      - tee "${SSH_KEY}" > ~/.ssh/id_ed25519
+      - tee "$SSH_KEY" > ~/.ssh/id_ed25519
       - chmod 600 ~/.ssh/id_ed25519
       - ssh-keyscan -t ed25519 git.polarolouis.fr >> ~/.ssh/known_hosts
       - chmod 644 ~/.ssh/known_hosts