diff --git a/README.md b/README.md
index 9b157cab1..90430929a 100644
--- a/README.md
+++ b/README.md
@@ -43,7 +43,7 @@ own.
     "source_ami": "ami-de0d9eb7",
     "instance_type": "t1.micro",
     "ssh_username": "ubuntu",
-    "ami_name": "packer-example {{.CreateTime}}"
+    "ami_name": "packer-example {{timestamp}}"
   }]
 }
 ```