diff --git a/src/main/java/com/sk89q/worldedit/blocks/BaseBlock.java b/src/main/java/com/sk89q/worldedit/blocks/BaseBlock.java
index c7bfd2de6..1ed559b60 100644
--- a/src/main/java/com/sk89q/worldedit/blocks/BaseBlock.java
+++ b/src/main/java/com/sk89q/worldedit/blocks/BaseBlock.java
@@ -34,7 +34,7 @@ public class BaseBlock {
     /**
      * BaseBlock data.
      */
-    private byte data = 0;
+    private short data = 0;
 
     /**
      * Construct the block with its type.
@@ -53,7 +53,7 @@ public class BaseBlock {
      */
     public BaseBlock(int type, int data) {
         this.type = (short) type;
-        this.data = (byte) data;
+        this.data = (short) data;
     }
 
     /**
@@ -81,7 +81,7 @@ public class BaseBlock {
      * @param data the data to set
      */
     public void setData(int data) {
-        this.data = (byte) data;
+        this.data = (short) data;
     }
 
     /**
@@ -98,7 +98,7 @@ public class BaseBlock {
      */
     public int rotate90() {
         int newData = BlockData.rotate90(type, data);
-        this.data = (byte) newData;
+        this.data = (short) newData;
         return data;
     }
 
@@ -107,7 +107,7 @@ public class BaseBlock {
      */
     public int rotate90Reverse() {
         int newData = BlockData.rotate90Reverse(type, data);
-        this.data = (byte) newData;
+        this.data = (short) newData;
         return newData;
     }
 
@@ -119,7 +119,7 @@ public class BaseBlock {
      */
     public int cycleData(int increment) {
         int newData = BlockData.cycle(this.type, this.data, increment);
-        this.data = (byte) newData;
+        this.data = (short) newData;
         return newData;
     }
 
@@ -127,7 +127,7 @@ public class BaseBlock {
      * Flip this block.
      */
     public BaseBlock flip() {
-        data = (byte) BlockData.flip(type, data);
+        data = (short) BlockData.flip(type, data);
         return this;
     }
 
@@ -136,7 +136,7 @@ public class BaseBlock {
      * @param direction
      */
     public BaseBlock flip(FlipDirection direction) {
-        data = (byte) BlockData.flip(type, data, direction);
+        data = (short) BlockData.flip(type, data, direction);
         return this;
     }
 
diff --git a/src/main/java/com/sk89q/worldedit/schematic/MCEditSchematicFormat.java b/src/main/java/com/sk89q/worldedit/schematic/MCEditSchematicFormat.java
index 96766dc2a..6b05f52ad 100644
--- a/src/main/java/com/sk89q/worldedit/schematic/MCEditSchematicFormat.java
+++ b/src/main/java/com/sk89q/worldedit/schematic/MCEditSchematicFormat.java
@@ -107,8 +107,19 @@ public class MCEditSchematicFormat extends SchematicFormat {
         }
 
         // Get blocks
-        byte[] blocks = getChildTag(schematic, "Blocks", ByteArrayTag.class).getValue();
+        byte[] rawBlocks = getChildTag(schematic, "Blocks", ByteArrayTag.class).getValue();
         byte[] blockData = getChildTag(schematic, "Data", ByteArrayTag.class).getValue();
+        short[] blocks = new short[rawBlocks.length];
+
+        if (schematic.containsKey("AddBlocks")) {
+            byte[] addBlockIds = getChildTag(schematic, "AddBlocks", ByteArrayTag.class).getValue();
+            for (int i = 0, index = 0; i < addBlockIds.length && index < blocks.length; ++i) {
+                blocks[index] = (short) (addBlockIds[i] & 0xF << 8 + rawBlocks[index++]);
+                if (index < blocks.length) {
+                    blocks[index] = (short) (((addBlockIds[i] << 4) & 0xF) << 8 + rawBlocks[index++]);
+                }
+            }
+        }
 
         // Need to pull out tile entities
         List<Tag> tileEntities = getChildTag(schematic, "TileEntities", ListTag.class)
@@ -201,6 +212,7 @@ public class MCEditSchematicFormat extends SchematicFormat {
 
         // Copy
         byte[] blocks = new byte[width * height * length];
+        byte[] addBlocks = null;
         byte[] blockData = new byte[width * height * length];
         ArrayList<Tag> tileEntities = new ArrayList<Tag>();
 
@@ -209,6 +221,15 @@ public class MCEditSchematicFormat extends SchematicFormat {
                 for (int z = 0; z < length; ++z) {
                     int index = y * width * length + z * width + x;
                     BaseBlock block = clipboard.getPoint(new BlockVector(x, y, z));
+                    if (block.getType() > 255) {
+                        if (addBlocks == null) {
+                            addBlocks = new byte[blocks.length >> 1];
+                        }
+                        addBlocks[index >> 1] = (byte) (((index & 1) == 0) ?
+                                addBlocks[index >> 1] & 0xF0 | (block.getType() >> 8) & 0xF
+                                : addBlocks[index >> 1] & 0xF | ((block.getType() >> 8) & 0xF) << 4);
+                    }
+
                     blocks[index] = (byte) block.getType();
                     blockData[index] = (byte) block.getData();
 
@@ -238,6 +259,9 @@ public class MCEditSchematicFormat extends SchematicFormat {
         schematic.put("Data", new ByteArrayTag("Data", blockData));
         schematic.put("Entities", new ListTag("Entities", CompoundTag.class, new ArrayList<Tag>()));
         schematic.put("TileEntities", new ListTag("TileEntities", CompoundTag.class, tileEntities));
+        if (addBlocks != null) {
+            schematic.put("AddBlocks", new ByteArrayTag("AddBlocks", addBlocks));
+        }
 
         // Build and output
         CompoundTag schematicTag = new CompoundTag("Schematic", schematic);