diff --git a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/ContextFunctionCatalogAutoConfiguration.java b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/ContextFunctionCatalogAutoConfiguration.java
index 35149a36b..4a6d944eb 100644
--- a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/ContextFunctionCatalogAutoConfiguration.java
+++ b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/config/ContextFunctionCatalogAutoConfiguration.java
@@ -109,7 +109,9 @@ public class ContextFunctionCatalogAutoConfiguration {
 		if (!CollectionUtils.isEmpty(messageConverters)) {
 			for (MessageConverter mc : messageConverters) {
 				if (mc instanceof CompositeMessageConverter) {
-					mcList.addAll(((CompositeMessageConverter) mc).getConverters());
+					List<MessageConverter> conv = ((CompositeMessageConverter) mc).getConverters().stream()
+						.filter(c -> !c.getClass().getSimpleName().equals("ApplicationJsonMessageMarshallingConverter")).collect(Collectors.toList());
+					mcList.addAll(conv);
 				}
 				else {
 					mcList.add(mc);