diff --git a/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/PlayListManager.java b/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/PlayListManager.java
index e5e0edd..80a5faa 100644
--- a/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/PlayListManager.java
+++ b/app/src/main/java/org/ntlab/amaryllis/client/voiceservice/PlayListManager.java
@@ -25,11 +25,19 @@
     }
     //まだ聞いていないvoicememoのリスト
     public ArrayList<VoiceMemo> getUnplayedList(){
-        //毎回リストを返すのか？
-        unplayedlist.clear();
-        for(int i = index; i < playlist.size(); i++){
-            unplayedlist.add(playlist.get(i));
+        unplayedlist.remove(0);
+        for(int i = 0;i < unplayedlist.size(); i++) {
+            boolean exist = false;
+            for(int j= index;j < playlist.size(); j++){
+                if(playlist.get(j).getVid().equals(unplayedlist.get(i).getVid()))
+                    exist = true;
+            }
+            if(exist = false)
+                playlist.add(unplayedlist.get(i));
         }
+//        for(int i = index; i < playlist.size(); i++){
+//            unplayedlist.add(playlist.get(i));
+//        }
         return unplayedlist;
     }