diff --git a/src/main/java/org/springframework/integration/flow/handler/FlowMessageHandler.java b/src/main/java/org/springframework/integration/flow/handler/FlowMessageHandler.java
index a611363..7313687 100644
--- a/src/main/java/org/springframework/integration/flow/handler/FlowMessageHandler.java
+++ b/src/main/java/org/springframework/integration/flow/handler/FlowMessageHandler.java
@@ -59,7 +59,7 @@ public class FlowMessageHandler extends AbstractReplyProducingMessageHandler {
          
         Message<?> message = MessageBuilder
         .fromMessage(requestMessage)
-        .copyHeadersIfAbsent(flowConversationIdHeader)
+        .copyHeaders(flowConversationIdHeader)
        
          .build();
         Message<?> response = null;