diff --git a/src/main/java/com/ntlab/irisserver/resources/TurnsRest.java b/src/main/java/com/ntlab/irisserver/resources/TurnsRest.java
index a52c82b..7f58687 100644
--- a/src/main/java/com/ntlab/irisserver/resources/TurnsRest.java
+++ b/src/main/java/com/ntlab/irisserver/resources/TurnsRest.java
@@ -97,7 +97,6 @@
     // rooms/{rid}/game/turns/{tno}/max:
     @GET //Maxを取得
     @Path("/{rid}/game/turns/{tno}/max")
-    @Produces(MediaType.TEXT_PLAIN)
     public Integer getMax(@PathParam("rid") String rid, @PathParam("tno") int tno){
         RoomManager rm = RoomManager.getInstance();
         Room room = rm.getRoom(rid);