diff --git a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/MqttPahoMessageDrivenChannelAdapter.java b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/MqttPahoMessageDrivenChannelAdapter.java
index fa1791646c..aa9076037a 100644
--- a/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/MqttPahoMessageDrivenChannelAdapter.java
+++ b/spring-integration-mqtt/src/main/java/org/springframework/integration/mqtt/inbound/MqttPahoMessageDrivenChannelAdapter.java
@@ -135,7 +135,7 @@ public class MqttPahoMessageDrivenChannelAdapter extends AbstractMqttMessageDriv
 	 */
 	@Override
 	public void setApplicationEventPublisher(ApplicationEventPublisher applicationEventPublisher) {
-		this.applicationEventPublisher = applicationEventPublisher;
+		this.applicationEventPublisher = applicationEventPublisher; // NOSONAR (inconsistent synchronization)
 	}
 
 	@Override