diff --git a/spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/function/KafkaStreamsBindableProxyFactory.java b/spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/function/KafkaStreamsBindableProxyFactory.java
index ca704384c..2a49cfd14 100644
--- a/spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/function/KafkaStreamsBindableProxyFactory.java
+++ b/spring-cloud-stream-binder-kafka-streams/src/main/java/org/springframework/cloud/stream/binder/kafka/streams/function/KafkaStreamsBindableProxyFactory.java
@@ -88,6 +88,7 @@ public class KafkaStreamsBindableProxyFactory extends AbstractBindableProxyFacto
 
 	@Override
 	public void afterPropertiesSet() {
+		populateBindingTargetFactories(beanFactory);
 		Assert.notEmpty(KafkaStreamsBindableProxyFactory.this.bindingTargetFactories,
 				"'bindingTargetFactories' cannot be empty");