diff --git a/org.springframework.integration/src/main/java/org/springframework/integration/handler/ServiceActivatingHandler.java b/org.springframework.integration/src/main/java/org/springframework/integration/handler/ServiceActivatingHandler.java
index b33c79bd43..ca5d457c6b 100644
--- a/org.springframework.integration/src/main/java/org/springframework/integration/handler/ServiceActivatingHandler.java
+++ b/org.springframework.integration/src/main/java/org/springframework/integration/handler/ServiceActivatingHandler.java
@@ -49,6 +49,11 @@ public class ServiceActivatingHandler extends AbstractReplyProducingMessageHandl
 		metadata.setComponentType("service-activator");
 	}
 
+	@Override
+	public final void onInit() {
+		this.processor.setConversionService(this.getConversionService());
+	}
+
 	@Override
 	protected Object handleRequestMessage(Message<?> message) {
 		try {