diff --git a/app/src/main/java/com/example/tampopo_client/models/ChatMessage.java b/app/src/main/java/com/example/tampopo_client/models/ChatMessage.java
index 754a7e1..7309278 100644
--- a/app/src/main/java/com/example/tampopo_client/models/ChatMessage.java
+++ b/app/src/main/java/com/example/tampopo_client/models/ChatMessage.java
@@ -1,7 +1,11 @@
 package com.example.tampopo_client.models;
 
+import com.fasterxml.jackson.annotation.JsonProperty;
+
 public class ChatMessage {
     private String senderId;  // メッセージ送信者のID
+    
+    @JsonProperty("message")
     private String content;   // メッセージ本文
 
     public ChatMessage() {}