diff --git a/cluster/aws/util.sh b/cluster/aws/util.sh
index 5ba51d16140..093bbc6e0b5 100644
--- a/cluster/aws/util.sh
+++ b/cluster/aws/util.sh
@@ -359,6 +359,8 @@ function upload-server-tars() {
   SERVER_BINARY_TAR_URL=
   SALT_TAR_URL=
 
+  ensure-temp-dir
+
   if [[ -z ${AWS_S3_BUCKET-} ]]; then
       local project_hash=
       local key=$(aws configure get aws_access_key_id)