diff --git a/UndertaleModLib/Models/UndertaleRoom.cs b/UndertaleModLib/Models/UndertaleRoom.cs
index 69011f915..ed15093a2 100644
--- a/UndertaleModLib/Models/UndertaleRoom.cs
+++ b/UndertaleModLib/Models/UndertaleRoom.cs
@@ -1037,7 +1037,7 @@ public interface LayerData : UndertaleObject
             // GMS 2022.1+
             public bool EffectEnabled { get; set; }
             public UndertaleString EffectType { get; set; }
-            public UndertaleSimpleList<EffectProperty> EffectProperties { get; set; }
+            public UndertaleSimpleList<EffectProperty> EffectProperties { get; set; } = new();
 
             public void UpdateParentRoom()
             {