diff --git a/bedrock-codec/src/main/java/org/cloudburstmc/protocol/bedrock/codec/v465/serializer/UpdateSubChunkBlocksSerializer_v465.java b/bedrock-codec/src/main/java/org/cloudburstmc/protocol/bedrock/codec/v465/serializer/UpdateSubChunkBlocksSerializer_v465.java
index fbaacab70..5994faa5a 100644
--- a/bedrock-codec/src/main/java/org/cloudburstmc/protocol/bedrock/codec/v465/serializer/UpdateSubChunkBlocksSerializer_v465.java
+++ b/bedrock-codec/src/main/java/org/cloudburstmc/protocol/bedrock/codec/v465/serializer/UpdateSubChunkBlocksSerializer_v465.java
@@ -17,18 +17,14 @@ public class UpdateSubChunkBlocksSerializer_v465 implements BedrockPacketSeriali
 
     @Override
     public void serialize(ByteBuf buffer, BedrockCodecHelper helper, UpdateSubChunkBlocksPacket packet) {
-        VarInts.writeInt(buffer, packet.getChunkX());
-        VarInts.writeUnsignedInt(buffer, packet.getChunkY());
-        VarInts.writeInt(buffer, packet.getChunkZ());
+        helper.writeBlockPosition(buffer, packet.getPosition());
         helper.writeArray(buffer, packet.getStandardBlocks(), this::writeBlockChangeEntry);
         helper.writeArray(buffer, packet.getExtraBlocks(), this::writeBlockChangeEntry);
     }
 
     @Override
     public void deserialize(ByteBuf buffer, BedrockCodecHelper helper, UpdateSubChunkBlocksPacket packet) {
-        packet.setChunkX(VarInts.readInt(buffer));
-        packet.setChunkY(VarInts.readUnsignedInt(buffer));
-        packet.setChunkZ(VarInts.readInt(buffer));
+        packet.setPosition(helper.readBlockPosition(buffer));
         helper.readArray(buffer, packet.getStandardBlocks(), this::readBlockChangeEntry);
         helper.readArray(buffer, packet.getExtraBlocks(), this::readBlockChangeEntry);
     }
diff --git a/bedrock-codec/src/main/java/org/cloudburstmc/protocol/bedrock/packet/UpdateSubChunkBlocksPacket.java b/bedrock-codec/src/main/java/org/cloudburstmc/protocol/bedrock/packet/UpdateSubChunkBlocksPacket.java
index a20584476..7568e7df1 100644
--- a/bedrock-codec/src/main/java/org/cloudburstmc/protocol/bedrock/packet/UpdateSubChunkBlocksPacket.java
+++ b/bedrock-codec/src/main/java/org/cloudburstmc/protocol/bedrock/packet/UpdateSubChunkBlocksPacket.java
@@ -4,6 +4,7 @@
 import lombok.Data;
 import lombok.EqualsAndHashCode;
 import lombok.ToString;
+import org.cloudburstmc.math.vector.Vector3i;
 import org.cloudburstmc.protocol.bedrock.data.BlockChangeEntry;
 import org.cloudburstmc.protocol.common.PacketSignal;
 
@@ -13,9 +14,7 @@
 @EqualsAndHashCode(doNotUseGetters = true)
 @ToString(doNotUseGetters = true)
 public class UpdateSubChunkBlocksPacket implements BedrockPacket {
-    private int chunkX;
-    private int chunkY;
-    private int chunkZ;
+    private Vector3i position;
 
     private final List<BlockChangeEntry> standardBlocks = new ObjectArrayList<>();
     private final List<BlockChangeEntry> extraBlocks = new ObjectArrayList<>();