diff --git a/.drone.yml b/.drone.yml
index 35cbe0d..31b3090 100644
--- a/.drone.yml
+++ b/.drone.yml
@@ -56,8 +56,8 @@ steps:
   settings:
     bucket: raw
     endpoint: https://storage.opytex.org
-    access_key: $MINIO_ACCESS_KEY
-    secret_key: $MINIO_SECRET_KEY
+    access_key: ${MINIO_ACCESS_KEY}
+    secret_key: ${MINIO_SECRET_KEY}
     source: ./**/*
     target: /
     exclude: ".gitignore"