diff --git a/packages/aws-cdk/lib/api/evaluate-cloudformation-template.ts b/packages/aws-cdk/lib/api/evaluate-cloudformation-template.ts
index 5a3b11f705ab7..2592c33423f2a 100644
--- a/packages/aws-cdk/lib/api/evaluate-cloudformation-template.ts
+++ b/packages/aws-cdk/lib/api/evaluate-cloudformation-template.ts
@@ -67,9 +67,8 @@ export class LazyLookupExport implements LookupExport {
 
   private async * listExports() {
     let nextToken: string | undefined = undefined;
-    let response: PromiseResult<AWS.CloudFormation.ListExportsOutput, AWS.AWSError>;
     while (true) {
-      response = await this.sdk.cloudFormation().listExports({
+      const response: PromiseResult<AWS.CloudFormation.ListExportsOutput, AWS.AWSError> = await this.sdk.cloudFormation().listExports({
         NextToken: nextToken,
       }).promise();