diff --git a/src/main/java/org/ntlab/acanthus_server/entities/Position.java b/src/main/java/org/ntlab/acanthus_server/entities/Position.java
index 08b275f..92b7e3f 100644
--- a/src/main/java/org/ntlab/acanthus_server/entities/Position.java
+++ b/src/main/java/org/ntlab/acanthus_server/entities/Position.java
@@ -7,14 +7,16 @@
 import java.util.UUID;
 
 public class Position {
-    private HashMap<String, Integer> positionHashMap = new HashMap<>();
+    private HashMap<String, Integer> positionMap = new HashMap<>();
+    private ArrayList<HashMap<String, Integer>> positionList = new ArrayList<>();
 
     public void putPosition(String coordinate, Integer value) {
-        this.positionHashMap.put(coordinate, value);
+        this.positionMap.put(coordinate, value);
     }
 
-    public HashMap<String, Integer> getPosition() {
-        return this.positionHashMap;
+    public ArrayList<HashMap<String, Integer>> getPosition() {
+        this.positionList.add(this.positionMap);
+        return this.positionList;
     }
 
 }