From e9c69dc80c96dd5b560ca3f4cf43dd91c27db4de Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Alexander=20S=C3=B6derberg?= <sauilitired@gmail.com>
Date: Sun, 16 Feb 2020 14:49:47 +0100
Subject: [PATCH] Make ListFlag lists immutable

---
 .../plotsquared/plot/flags/types/ListFlag.java                 | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flags/types/ListFlag.java b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flags/types/ListFlag.java
index 2efb4b864..1a048fefb 100644
--- a/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flags/types/ListFlag.java
+++ b/Core/src/main/java/com/github/intellectualsites/plotsquared/plot/flags/types/ListFlag.java
@@ -7,12 +7,13 @@ import com.github.intellectualsites.plotsquared.plot.util.StringMan;
 import org.jetbrains.annotations.NotNull;
 
 import java.util.ArrayList;
+import java.util.Collections;
 import java.util.List;
 
 public abstract class ListFlag<V, F extends PlotFlag<List<V>, F>> extends PlotFlag<List<V>, F> {
 
     public ListFlag(final List<V> valueList, final Captions category, final Caption description) {
-        super(valueList, category, description);
+        super(Collections.unmodifiableList(valueList), category, description);
     }
 
     @Override public F merge(@NotNull List<V> newValue) {