diff --git a/addons/TerrainPlugin/Utils/Generators/TerrainBaseGenerator.cs b/addons/TerrainPlugin/Utils/Generators/TerrainBaseGenerator.cs
index b49af75..c495b2a 100644
--- a/addons/TerrainPlugin/Utils/Generators/TerrainBaseGenerator.cs
+++ b/addons/TerrainPlugin/Utils/Generators/TerrainBaseGenerator.cs
@@ -1,3 +1,4 @@
+#nullable enable
 using System;
 using System.Runtime.InteropServices;
 using Godot;
diff --git a/addons/TerrainPlugin/Utils/Generators/TerrainSplatMapGenerator.cs b/addons/TerrainPlugin/Utils/Generators/TerrainSplatMapGenerator.cs
index 02eabe9..5178602 100644
--- a/addons/TerrainPlugin/Utils/Generators/TerrainSplatMapGenerator.cs
+++ b/addons/TerrainPlugin/Utils/Generators/TerrainSplatMapGenerator.cs
@@ -1,3 +1,4 @@
+#nullable enable
 using Godot;
 
 namespace TerrainEditor.Generators;