diff --git a/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java b/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java
index 5304a29..dc28457 100644
--- a/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java
+++ b/app/src/main/java/org/ntlab/irisclient/resources/GameRest.java
@@ -84,7 +84,7 @@
     //-----------------------------------------------
     // マスターのヒントを送信するメソッド + 最大回答数も送信
     @PUT("/{rid}/game/turns/{tno}/hint")
-    Call<String> putHint(
+    Call<TurnJson> putHint(
             @Path("rid") String rid,
             @Path("tno") int tno,
             @Field("hint") String hint,