diff --git a/h2_playermanager/src/main/java/mc/core/h2db/H2PlayerManager.java b/h2_playermanager/src/main/java/mc/core/h2db/H2PlayerManager.java
index 7db2b42..b22699c 100644
--- a/h2_playermanager/src/main/java/mc/core/h2db/H2PlayerManager.java
+++ b/h2_playermanager/src/main/java/mc/core/h2db/H2PlayerManager.java
@@ -15,10 +15,7 @@ import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.context.ApplicationContext;
 import org.springframework.stereotype.Component;
 
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.List;
-import java.util.UUID;
+import java.util.*;
 
 @Slf4j
 @Component
@@ -26,7 +23,7 @@ public class H2PlayerManager implements PlayerManager {
     @Setter
     @Autowired
     private H2PlayerService h2PlayerService;
-    private List<H2Player> playerList = Collections.synchronizedList(new ArrayList<>());
+    private Set<H2Player> playerList = Collections.synchronizedSet(new HashSet<>());
 
     @Override
     public Player createPlayer(String name, EntityLocation location, World world) {