diff --git a/CHANGELOG.md b/CHANGELOG.md
index a17628d9e..4538b9241 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,8 @@
 ## Unreleased
 - Fix `ENABLE_PREFIX_DELEGATION` not working
   [#646](https://github.com/pulumi/pulumi-eks/pull/646)
+- Fix node group's `minSize` and `desiredSize` cannot be 0
+  [#645](https://github.com/pulumi/pulumi-eks/issues/645)
 
 ## 0.36.0 (Released December 3, 2021)
 - Add support for all EC2 LaunchConfiguration EBS parameters related to cluster root node volumes
diff --git a/nodejs/eks/nodegroup.ts b/nodejs/eks/nodegroup.ts
index eeb2cea98..420946675 100644
--- a/nodejs/eks/nodegroup.ts
+++ b/nodejs/eks/nodegroup.ts
@@ -904,9 +904,9 @@ export function createManagedNodeGroup(name: string, args: ManagedNodeGroupOptio
         scalingConfig: pulumi.all([
             args.scalingConfig,
         ]).apply(([config]) => {
-            const desiredSize = config && config.desiredSize || 2;
-            const minSize = config && config.minSize || 1;
-            const maxSize = config && config.maxSize || 2;
+            const desiredSize = config?.desiredSize ?? 2;
+            const minSize = config?.minSize ?? 1;
+            const maxSize = config?.maxSize ?? 2;
             return {
                 desiredSize: desiredSize,
                 minSize: minSize,