diff --git a/packages/@aws-cdk/aws-ec2/lib/instance-types.ts b/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
index 4058e0bf2dfb3..07b1350478f23 100644
--- a/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
+++ b/packages/@aws-cdk/aws-ec2/lib/instance-types.ts
@@ -193,6 +193,7 @@ export enum InstanceClass {
  * What size of instance to use
  */
 export enum InstanceSize {
+    None = 'nano',
     Micro = 'micro',
     Small = 'small',
     Medium = 'medium',