diff --git a/tasks/empty-s3-bucket/task b/tasks/empty-s3-bucket/task
index f176e0ee..8bdbf008 100755
--- a/tasks/empty-s3-bucket/task
+++ b/tasks/empty-s3-bucket/task
@@ -21,8 +21,8 @@ read_key() {
 bucket="$(read_key "${BUCKET_KEY}")"
 
 set +x
-AWS_ACCESS_KEY_ID="$(read_key aws_access_key_id)"
-AWS_SECRET_ACCESS_KEY="$(read_key aws_secret_access_key)"
+AWS_ACCESS_KEY_ID="$(read_key blobstore_access_key_id)"
+AWS_SECRET_ACCESS_KEY="$(read_key blobstore_secret_access_key)"
 export AWS_ACCESS_KEY_ID AWS_SECRET_ACCESS_KEY
 set -x