diff --git a/app/src/main/java/com/example/tampopo_client/resources/ChatroomResource.java b/app/src/main/java/com/example/tampopo_client/resources/ChatroomResource.java
index 4ea005d..48f8d72 100644
--- a/app/src/main/java/com/example/tampopo_client/resources/ChatroomResource.java
+++ b/app/src/main/java/com/example/tampopo_client/resources/ChatroomResource.java
@@ -6,12 +6,10 @@
 import java.util.List;
 
 import retrofit2.Call;
-import retrofit2.http.Body;
 import retrofit2.http.DELETE;
 import retrofit2.http.Field;
 import retrofit2.http.FormUrlEncoded;
 import retrofit2.http.GET;
-import retrofit2.http.Header;
 import retrofit2.http.POST;
 import retrofit2.http.PUT;
 import retrofit2.http.Path;
@@ -59,9 +57,9 @@
 
 
     //チャットルームにメッセージを追加する
-    @POST("chat-rooms/{chatroom-id}/{user-id}/message")
+    @PUT("chat-rooms/{chatroom-id}/{user-id}/message")
     @FormUrlEncoded
-    Call<ChatMessage> sendMessage(
+    Call<Chatroom> sendMessage(
             @Path("chatroom-id") String chatRoomId,
             @Path("user-id") String senderId,
             @Field("message") String message,