diff --git a/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/ChunkDataPacket.java b/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/ChunkDataPacket.java
index 5d74739..cb19e6d 100644
--- a/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/ChunkDataPacket.java
+++ b/proto_1.12.2/src/main/java/mc/core/network/proto_1_12_2/packets/ChunkDataPacket.java
@@ -151,14 +151,15 @@ public class ChunkDataPacket implements SCPacket {
 
             for (int y = 0; y < 16; y++) {
                 for (int z = 0; z < 16; z++) {
-                    for (int x = 15; x >= 0; x--) {
-                        palettedChunkSection.addBlock(chunkSection.getBlockLocal(x, y, z));
-                        palettedChunkSection.addBlockLight(15-x, y, z, chunkSection.getBlockLocal(15-x, y, z).getLight());
-                        palettedChunkSection.addSkyLight(15-x, y, z, chunkSection.getSkyLightLocal(15-x, y, z));
+                    for (int x = 0; x < 16; x++) {
+                        palettedChunkSection.addBlock(
+                                chunkSection.getBlockLocal(x, y, z),
+                                chunkSection.getSkyLightLocal(x, y, z)
+                        );
 
                         if (biomeWrite) {
                             biomes.writeByte(chunkSection.getBiomeLocal(x, z).getId());
-                            if (x == 0 && z == 15) {
+                            if (x == 15 && z == 15) {
                                 biomeWrite = false;
                             }
                         }
@@ -219,17 +220,11 @@ public class ChunkDataPacket implements SCPacket {
             return (byte) idx;
         }
 
-        void addBlockLight(int x, int y, int z, int value) {
-            blockLight.set(x, y, z, value);
-        }
-
-        void addSkyLight(int x, int y, int z, int value) {
-            skyLight.set(x, y, z, value);
-        }
-
-        void addBlock(Block block) {
+        void addBlock(Block block, int skyLight) {
             BlockLocation location = block.getLocation().toLocal();
             blocks[coordsToIndex(location)] = addBlockType(block.getBlockType());
+            blockLight.set(location, block.getLight());
+            this.skyLight.set(location, skyLight);
         }
 
         void writeToNetStream(final NetOutputStream netOutputStream) {