diff --git a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/SimpleFunctionRegistry.java b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/SimpleFunctionRegistry.java
index 19976a075..af2c5c37f 100644
--- a/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/SimpleFunctionRegistry.java
+++ b/spring-cloud-function-context/src/main/java/org/springframework/cloud/function/context/catalog/SimpleFunctionRegistry.java
@@ -127,7 +127,7 @@ public class SimpleFunctionRegistry implements FunctionRegistry, FunctionInspect
 	 *
 	 * @param messageConverters list of {@link MessageConverter}s.
 	 */
-	public void addMessageConverters(List<MessageConverter> messageConverters) {
+	public void addMessageConverters(Collection<MessageConverter> messageConverters) {
 		if (!CollectionUtils.isEmpty(messageConverters)) {
 			this.messageConverter.getConverters().addAll(0, messageConverters);
 		}