diff --git a/TiledLib/RenderOrder.cs b/TiledLib/RenderOrder.cs
index 7a65275..1f356c7 100644
--- a/TiledLib/RenderOrder.cs
+++ b/TiledLib/RenderOrder.cs
@@ -8,6 +8,12 @@ namespace TiledLib
     public enum RenderOrder : byte
     {
         Unknown = 0,
+        [EnumMember(Value = "left-up")]
+        leftup,
+        [EnumMember(Value = "left-down")]
+        leftdown,
+        [EnumMember(Value = "right-up")]
+        rightup,
         [EnumMember(Value = "right-down")]
         rightdown
     }