diff --git a/.woodpecker.yml b/.woodpecker.yml
index a377134..af892aa 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -106,7 +106,7 @@ steps:
     image: google/cloud-sdk:latest
     entrypoint:
       - bash
-      - -c
+      - -lc
       - |
         set -euo pipefail
         [[ "${PROMOTE:-}" == "prod" ]] || { echo "⏭ Skipping (PROMOTE=$PROMOTE)"; exit 0; }