# Pastebin 0XCidEzK
 --git i/src/com/example/pallet.clj w/src/com/example/pallet.clj
index bc49f22..ae4308c 100644
--- i/src/com/example/pallet.clj
+++ w/src/com/example/pallet.clj
@@ -6,11 +6,12 @@
 
 (def jenkins-slave-image-spec
   {:image-id "us-east-1/ami-ae17b2c6", ;; 12.04 LTS/amd64/hvm:ebs
-   :hardware-id "c3.xlarge"})
+   })
 
 (def jenkins-slave-node-spec
   (node-spec
    :image jenkins-slave-image-spec
+   :hardware {:hardware-id "c3.xlarge"}
    :network {:inbound-ports [22 80 8080 9090]}))
 
 (defn