diff --git a/src/main/java/xyz/etztech/minecraftmanager/listeners/CommandPreprocessListener.java b/src/main/java/xyz/etztech/minecraftmanager/listeners/CommandPreprocessListener.java
index 736d6bc..e74a388 100644
--- a/src/main/java/xyz/etztech/minecraftmanager/listeners/CommandPreprocessListener.java
+++ b/src/main/java/xyz/etztech/minecraftmanager/listeners/CommandPreprocessListener.java
@@ -15,7 +15,7 @@ import xyz.etztech.minecraftmanager.MCMUtil;
 import xyz.etztech.minecraftmanager.MinecraftManager;
 
 import java.util.Arrays;
-import java.util.ArrayList;
+import java.util.LinkedHashSet;
 import java.util.List;
 import java.util.Map;
 
@@ -23,7 +23,7 @@ public class CommandPreprocessListener implements Listener {
 
 
     MinecraftManager plugin;
-    private ArrayList<String> hasReadRules = new ArrayList<>();
+    private LinkedHashSet<String> hasReadRules = new LinkedHashSet<>();
 
 
     public CommandPreprocessListener(MinecraftManager plugin) {