diff --git a/packages/aws-cdk-lib/aws-elasticloadbalancingv2-targets/lib/alb-target.ts b/packages/aws-cdk-lib/aws-elasticloadbalancingv2-targets/lib/alb-target.ts
index c7d6968721ff5..ec658da181af6 100644
--- a/packages/aws-cdk-lib/aws-elasticloadbalancingv2-targets/lib/alb-target.ts
+++ b/packages/aws-cdk-lib/aws-elasticloadbalancingv2-targets/lib/alb-target.ts
@@ -39,7 +39,7 @@ export class AlbTarget extends AlbArnTarget {
    * @param alb The application load balancer to load balance to
    * @param port The port on which the target is listening
    */
-  constructor(alb: elbv2.ApplicationLoadBalancer, port: number) {
+  constructor(alb: elbv2.IApplicationLoadBalancer, port: number) {
     super(alb.loadBalancerArn, port);
   }
 }