diff --git a/gen-stats.rb b/gen-stats.rb
index e10a84b..f33a270 100755
--- a/gen-stats.rb
+++ b/gen-stats.rb
@@ -12,7 +12,7 @@ ADVENTURE_BIOMES = [
   "Cold Taiga Hills",
   "Deep Ocean",
   "Desert",
-  "Desert Hills",
+  "DesertHills",
   "Extreme Hills",
   "Extreme Hills+",
   "Forest",
@@ -21,14 +21,14 @@ ADVENTURE_BIOMES = [
   "Ice Mountains",
   "Ice Plains",
   "Jungle",
-  "Jungle Edge",
-  "Jungle Hills",
+  "JungleEdge",
+  "JungleHills",
   "Mega Taiga",
   "Mega Taiga Hills",
   "Mesa",
   "Mesa Plateau",
   "Mesa Plateau F",
-  "Mushroom Island",
+  "MushroomIsland",
   "MushroomIslandShore",
   "Ocean",
   "Plains",
@@ -39,7 +39,7 @@ ADVENTURE_BIOMES = [
   "Stone Beach",
   "Swampland",
   "Taiga",
-  "Taiga Hills",
+  "TaigaHills",
 ]
 
 class GenStats