diff --git a/infiniteworld.py b/infiniteworld.py
index 38d924a..fcb4da5 100644
--- a/infiniteworld.py
+++ b/infiniteworld.py
@@ -123,7 +123,7 @@ class AnvilChunk(LightedChunk):
         levelTag = nbt.TAG_Compound()
         chunkTag["Level"] = levelTag
 
-        levelTag["HeightMap"] = nbt.TAG_Int_Array(zeros((16, 16), 'uint32'))
+        levelTag["HeightMap"] = nbt.TAG_Int_Array(zeros((16, 16), 'uint32').newbyteorder())
         levelTag["TerrainPopulated"] = nbt.TAG_Byte(1)
         levelTag["xPos"] = nbt.TAG_Int(cx)
         levelTag["zPos"] = nbt.TAG_Int(cz)