diff --git a/Alchemy/Assets/Alchemy/Editor/Elements/PropertyListView.cs b/Alchemy/Assets/Alchemy/Editor/Elements/PropertyListView.cs
index 361ab9d..3d314b8 100644
--- a/Alchemy/Assets/Alchemy/Editor/Elements/PropertyListView.cs
+++ b/Alchemy/Assets/Alchemy/Editor/Elements/PropertyListView.cs
@@ -27,10 +27,14 @@ namespace Alchemy.Editor.Elements
                 var e = new AlchemyPropertyField(arrayElement, property.GetPropertyType(true), depth + 1, true);
                 element.Add(e);
                 element.Bind(arrayElement.serializedObject);
-                e.TrackPropertyValue(arrayElement, x =>
-                {
-                    ReflectionHelper.Invoke(parentObj, events.OnItemChanged, new object[] { index, x.GetValue<object>() });
-                });
+                if (events != null) {
+                    e.TrackPropertyValue(arrayElement, x =>
+                    {
+                        ReflectionHelper.Invoke(parentObj, events.OnItemChanged, new object[] { index, x.GetValue<object>() });
+                    });
+                }
+               
+            }
             };
             listView.unbindItem = (element, index) =>
             {