diff --git a/app/src/main/java/com/example/cosmosclient/views/MemberListActivity.java b/app/src/main/java/com/example/cosmosclient/views/MemberListActivity.java
index 2f968f3..d757753 100644
--- a/app/src/main/java/com/example/cosmosclient/views/MemberListActivity.java
+++ b/app/src/main/java/com/example/cosmosclient/views/MemberListActivity.java
@@ -57,8 +57,8 @@
 
         //app/CosmosにGETメソッドに必要なデータを取得
         Cosmos app = (Cosmos) getApplication();
-        String token = app.getToken();
-        String gId = app.getCurentGroup().getgId();
+        final String token = app.getToken();
+        final String gId = app.getCurentGroup().getgId();
 
         // ListViewのインスタンスを生成
         final ListView listView = findViewById(R.id.list_view);
@@ -72,7 +72,7 @@
         final GroupsRest MemberListService = retrofit.create(GroupsRest.class);
 
         //API呼び出しのための値入力
-        Call<MemberListResponse> call = MemberListService.getMemberListByGid(gId,token);
+        final Call<MemberListResponse> call = MemberListService.getMemberListByGid(gId,token);
 
         //サーバからデータ受け取り
         call.enqueue(new Callback<MemberListResponse>() {