diff --git a/EXILED/Exiled.CustomItems/API/Features/CustomItem.cs b/EXILED/Exiled.CustomItems/API/Features/CustomItem.cs
index 356f701c0a..cf6d937b8b 100644
--- a/EXILED/Exiled.CustomItems/API/Features/CustomItem.cs
+++ b/EXILED/Exiled.CustomItems/API/Features/CustomItem.cs
@@ -453,7 +453,7 @@ public static IEnumerable<CustomItem> UnregisterItems()
         {
             List<CustomItem> unregisteredItems = new();
 
-            foreach (CustomItem customItem in Registered)
+            foreach (CustomItem customItem in Registered.ToList())
             {
                 customItem.TryUnregister();
                 unregisteredItems.Add(customItem);