diff --git a/src/main/java/com/colen/postea/Utility/ChunkFixerUtility.java b/src/main/java/com/colen/postea/Utility/ChunkFixerUtility.java
index a98e096..4ad6cbd 100644
--- a/src/main/java/com/colen/postea/Utility/ChunkFixerUtility.java
+++ b/src/main/java/com/colen/postea/Utility/ChunkFixerUtility.java
@@ -19,23 +19,19 @@ import cpw.mods.fml.common.registry.GameRegistry;
 import static com.colen.postea.Utility.PosteaUtilities.getModListHash;
 
 public class ChunkFixerUtility {
+
     public static void processChunkNBT(NBTTagCompound compound, World world) {
-        if (processChunk(compound)) {
-            transformTileEntities(compound, world);
-            transformNormalBlocks(compound, world);
-            compound.setInteger("POSTEA", POSTEA_UPDATE_CODE);
+        NBTTagCompound levelCompoundTag = compound.getCompoundTag("Level");
 
-//            NBTTagCompound level = compound.getCompoundTag("Level");
-//            int x = level.getInteger("xPos");
-//            int z = level.getInteger("zPos");
-//
-//            PosteaUtilities.markChunkAsDirty(world, x, z);
+        if (processChunk(levelCompoundTag)) {
+            transformTileEntities(levelCompoundTag, world);
+            transformNormalBlocks(levelCompoundTag, world);
+            levelCompoundTag.setInteger("POSTEA", POSTEA_UPDATE_CODE);
         }
-
     }
 
-    // This will not change between runs.
-    private static final int POSTEA_UPDATE_CODE = getModListHash();
+    // This will not change between runs, unless a mod is updated or added.
+    public static final int POSTEA_UPDATE_CODE = getModListHash();
 
     // If a chunk has the same postea code, then do not update it. Return false.
     private static boolean processChunk(NBTTagCompound compound) {
@@ -47,12 +43,11 @@ public class ChunkFixerUtility {
         return true;
     }
 
-    private static void transformNormalBlocks(NBTTagCompound compound, World world) {
-        NBTTagCompound level = compound.getCompoundTag("Level");
-        NBTTagList sections = level.getTagList("Sections", 10);
+    private static void transformNormalBlocks(NBTTagCompound levelCompoundTag, World world) {
+        NBTTagList sections = levelCompoundTag.getTagList("Sections", 10);
 
-        int chunkXPos = level.getInteger("xPos") * 16;
-        int chunkZPos = level.getInteger("zPos") * 16;
+        int chunkXPos = levelCompoundTag.getInteger("xPos") * 16;
+        int chunkZPos = levelCompoundTag.getInteger("zPos") * 16;
 
         for (int i = 0; i < sections.tagCount(); i++) {
             NBTTagCompound section = sections.getCompoundTagAt(i);
@@ -101,21 +96,20 @@ public class ChunkFixerUtility {
         }
     }
 
-    private static void transformTileEntities(NBTTagCompound chunkNBT, World world) {
-        NBTTagCompound level = chunkNBT.getCompoundTag("Level");
+    private static void transformTileEntities(NBTTagCompound levelCompoundTag, World world) {
 
-        Pair<List<ConversionInfo>, NBTTagList> output = adjustTileEntities(level.getTagList("TileEntities", 10), world);
+        Pair<List<ConversionInfo>, NBTTagList> output = adjustTileEntities(levelCompoundTag.getTagList("TileEntities", 10), world);
         List<ConversionInfo> conversionInfoList = output.first();
         NBTTagList tileEntities = output.second();
 
         if (tileEntities.tagCount() > 0) {
-            level.setTag("TileEntities", tileEntities);
+            levelCompoundTag.setTag("TileEntities", tileEntities);
         }
 
-        int chunkXPos = level.getInteger("xPos") * 16; // Assuming each chunk is 16 blocks along x-axis
-        int chunkZPos = level.getInteger("zPos") * 16; // Assuming each chunk is 16 blocks along z-axis
+        int chunkXPos = levelCompoundTag.getInteger("xPos") * 16; // Assuming each chunk is 16 blocks along x-axis
+        int chunkZPos = levelCompoundTag.getInteger("zPos") * 16; // Assuming each chunk is 16 blocks along z-axis
 
-        NBTTagList sections = level.getTagList("Sections", 10);
+        NBTTagList sections = levelCompoundTag.getTagList("Sections", 10);
         for (int i = 0; i < sections.tagCount(); i++) {
             NBTTagCompound section = sections.getCompoundTagAt(i);
             processSection(section, conversionInfoList, chunkXPos, chunkZPos);
diff --git a/src/main/java/com/colen/postea/mixins/early/MixinAnvilChunkLoader.java b/src/main/java/com/colen/postea/mixins/early/MixinAnvilChunkLoader.java
index f104648..0fc865b 100644
--- a/src/main/java/com/colen/postea/mixins/early/MixinAnvilChunkLoader.java
+++ b/src/main/java/com/colen/postea/mixins/early/MixinAnvilChunkLoader.java
@@ -1,5 +1,6 @@
 package com.colen.postea.mixins.early;
 
+import static com.colen.postea.Utility.ChunkFixerUtility.POSTEA_UPDATE_CODE;
 import static com.colen.postea.Utility.ChunkFixerUtility.processChunkNBT;
 
 import com.colen.postea.mixins.interfaces.IChunkMixin;
@@ -27,12 +28,13 @@ public abstract class MixinAnvilChunkLoader {
     private Chunk onReadChunkFromNBT(World world, NBTTagCompound nbtTagCompound, CallbackInfoReturnable<Chunk> cir) {
         Chunk chunk = cir.getReturnValue();
         if (chunk instanceof IChunkMixin iChunkMixin) {
-
             if (nbtTagCompound.hasKey("POSTEA")) {
-                iChunkMixin.Postea$setPosteaCode(nbtTagCompound.getLong("POSTEA"));
-                System.out.println("On loading this chunk from NBT, it had a code of " + nbtTagCompound.getLong("POSTEA") + " at coordinates (" + chunk.xPosition + ", " + chunk.zPosition + ").");
-            }
+                long posteaCode = nbtTagCompound.getLong("POSTEA");
+                iChunkMixin.Postea$setPosteaCode(posteaCode);
 
+                // Chunk has been updated with Postea, so we will mark it to save later.
+                if (posteaCode != POSTEA_UPDATE_CODE) chunk.setChunkModified();
+            }
         }
 
         return chunk;
@@ -41,7 +43,6 @@ public abstract class MixinAnvilChunkLoader {
     @Inject(method = "writeChunkToNBT", at = @At("HEAD"))
     private void onWriteChunkToNBT(Chunk chunk, World world, NBTTagCompound nbtTagCompound, CallbackInfo ci) {
         if (chunk instanceof IChunkMixin iChunkMixin) {
-            System.out.println("On saving this chunk to NBT, it had a code of " + iChunkMixin.Postea$getPosteaCode() + " at coordinates (" + chunk.xPosition + ", " + chunk.zPosition + ").");
             nbtTagCompound.setLong("POSTEA", iChunkMixin.Postea$getPosteaCode());
         }
     }