diff --git a/Assets/NaughtyAttributes/Scripts/Editor/Utility/NaughtyEditorGUI.cs b/Assets/NaughtyAttributes/Scripts/Editor/Utility/NaughtyEditorGUI.cs
index 08d77860..19584aa6 100644
--- a/Assets/NaughtyAttributes/Scripts/Editor/Utility/NaughtyEditorGUI.cs
+++ b/Assets/NaughtyAttributes/Scripts/Editor/Utility/NaughtyEditorGUI.cs
@@ -121,7 +121,8 @@ public static void Dropdown(
 			int newIndex = EditorGUI.Popup(rect, label, selectedValueIndex, displayOptions);
 			object newValue = values[newIndex];
 
-			if (!dropdownField.GetValue(target).Equals(newValue))
+			object dropdownValue = dropdownField.GetValue(target);
+			if (dropdownValue == null || !dropdownValue.Equals(newValue))
 			{
 				Undo.RecordObject(serializedObject.targetObject, "Dropdown");