diff --git a/src/main/java/com/ntlab/irisserver/resources/MembersRest.java b/src/main/java/com/ntlab/irisserver/resources/MembersRest.java
index ece40b5..e0f0cf9 100644
--- a/src/main/java/com/ntlab/irisserver/resources/MembersRest.java
+++ b/src/main/java/com/ntlab/irisserver/resources/MembersRest.java
@@ -17,7 +17,7 @@
 @Path("/rooms")
 public class MembersRest {
 
-    public static void membershuffle(List<Member> m) {
+    public static void membershuffle(String rid, List<Member> m) {
         RoomManager rm = RoomManager.getInstance();
         Room room = rm.getRoom(rid);
 
@@ -44,7 +44,6 @@
                 info.setBelongs("r");
                 room.setRedMaster(info);
 
-
             }else{
                 info.setBelongs("b");
                 room.setBlueMaster(info);
@@ -67,7 +66,7 @@
         String owner = room.getOwnerName();
         if(nickname.equals(owner)) {
             //全員の役職を変更
-            membershuffle(gm);
+            membershuffle(rid, gm);
         }else{
             var response = Response.status(401).entity("あなたはオーナーではありません");
             throw new WebApplicationException(response.build());