diff --git a/SubstrateCS/Source/Data/MapConverter.cs b/SubstrateCS/Source/Data/MapConverter.cs
index ea7cf35..518e5b9 100644
--- a/SubstrateCS/Source/Data/MapConverter.cs
+++ b/SubstrateCS/Source/Data/MapConverter.cs
@@ -12,19 +12,19 @@ namespace Substrate.Data
     public enum ColorGroup
     {
         Unexplored = 0,
-        Grass = 4,
-        Sand = 8,
-        Other = 12,
-        Lava = 16,
-        Ice = 20,
-        Iron = 24,
-        Leaves = 28,
-        Snow = 32,
-        Clay = 36,
-        Dirt = 40,
-        Stone = 44,
-        Water = 48,
-        Wood = 52,
+        Grass = 1,
+        Sand = 2,
+        Other = 3,
+        Lava = 4,
+        Ice = 5,
+        Iron = 6,
+        Leaves = 7,
+        Snow = 8,
+        Clay = 9,
+        Dirt = 10,
+        Stone = 11,
+        Water = 12,
+        Wood = 13,
     }
 
     /// <summary>