diff --git a/IronChests2/common/cpw/mods/ironchest/ChestChangerType.java b/IronChests2/common/cpw/mods/ironchest/ChestChangerType.java
index 7c6c71e..da2b391 100644
--- a/IronChests2/common/cpw/mods/ironchest/ChestChangerType.java
+++ b/IronChests2/common/cpw/mods/ironchest/ChestChangerType.java
@@ -13,6 +13,7 @@ import static cpw.mods.ironchest.IronChestType.IRON;
 import static cpw.mods.ironchest.IronChestType.SILVER;
 import static cpw.mods.ironchest.IronChestType.CRYSTAL;
 import static cpw.mods.ironchest.IronChestType.WOOD;
+import static cpw.mods.ironchest.IronChestType.OBSIDIAN;
 import cpw.mods.fml.common.registry.GameRegistry;
 
 import net.minecraft.block.Block;
@@ -28,7 +29,8 @@ public enum ChestChangerType {
     COPPERIRON(COPPER, IRON, "copperIronUpgrade", "Copper to Iron Chest Upgrade", "mGm", "GsG", "mGm"),
     DIAMONDCRYSTAL(DIAMOND, CRYSTAL, "diamondCrystalUpgrade", "Diamond to Crystal Chest Upgrade", "GGG", "GOG", "GGG"),
     WOODIRON(WOOD, IRON, "woodIronUpgrade", "Normal chest to Iron Chest Upgrade", "mmm", "msm", "mmm"),
-    WOODCOPPER(WOOD, COPPER, "woodCopperUpgrade", "Normal chest to Copper Chest Upgrade", "mmm", "msm", "mmm");
+    WOODCOPPER(WOOD, COPPER, "woodCopperUpgrade", "Normal chest to Copper Chest Upgrade", "mmm", "msm", "mmm"),
+    DIAMONDOBSIDIAN(DIAMOND, OBSIDIAN, "diamondObsidianUpgrade", "Diamond to Obsidian Chest Upgrade", "mmm", "mGm", "mmm");
 
     private IronChestType source;
     private IronChestType target;
diff --git a/IronChests2/common/cpw/mods/ironchest/IronChestType.java b/IronChests2/common/cpw/mods/ironchest/IronChestType.java
index 39c094f..a181384 100644
--- a/IronChests2/common/cpw/mods/ironchest/IronChestType.java
+++ b/IronChests2/common/cpw/mods/ironchest/IronChestType.java
@@ -28,8 +28,8 @@ public enum IronChestType {
     COPPER(45, 9, false, "Copper Chest", "copperchest.png", 3, Arrays.asList("ingotCopper"), TileEntityCopperChest.class, "mmmmCmmmm"),
     SILVER(72, 9, false, "Silver Chest", "silverchest.png", 4, Arrays.asList("ingotSilver"), TileEntitySilverChest.class, "mmmm3mmmm", "mGmG0GmGm"),
     CRYSTAL(108, 12, true, "Crystal Chest", "crystalchest.png", 5, Arrays.asList("blockGlass"), TileEntityCrystalChest.class, "GGGGPGGGG"),
-    OBSIDIAN(108, 12, false, "Obsidian Chest", "obsidianchest.png", 6, Arrays.asList("obsidian"), TileEntityObsidianChest.class, "OOOO4OOOO"),
-    WOOD(0, 0, false, "", "", -1, Arrays.asList("blockPlanks"), null);
+    OBSIDIAN(108, 12, false, "Obsidian Chest", "obsidianchest.png", 6, Arrays.asList("obsidian"), TileEntityObsidianChest.class, "mmmm2mmmm"),
+    WOOD(0, 0, false, "", "", -1, Arrays.asList("plankWood"), null);
     int size;
     private int rowLength;
     public String friendlyName;
@@ -118,7 +118,7 @@ public enum IronChestType {
                         'G', Block.glass, 'C', Block.chest,
                         '0', new ItemStack(blockResult, 1, 0), /* Iron Chest */
                         '1', new ItemStack(blockResult, 1, 1), /* Gold Chest */
-                        '2', new ItemStack(blockResult, 1, 1), /* Diamond Chest */
+                        '2', new ItemStack(blockResult, 1, 2), /* Diamond Chest */
                         '3', new ItemStack(blockResult, 1, 3), /* Copper Chest */
                         '4', new ItemStack(blockResult, 1, 4)/* Silver Chest */
                 );
@@ -144,14 +144,13 @@ public enum IronChestType {
         {
             return Block.glass;
         }
-        else if (mat == "blockPlanks")
+        else if (mat == "obsidian")
         {
-            return Block.planks;
+            return Block.obsidian;
         }
         return mat;
     }
 
-    @SuppressWarnings("unchecked")
     public static void addRecipe(ItemStack is, Object... parts)
     {
         ShapedOreRecipe oreRecipe = new ShapedOreRecipe(is, parts);
diff --git a/IronChests2/common/cpw/mods/ironchest/ItemChestChanger.java b/IronChests2/common/cpw/mods/ironchest/ItemChestChanger.java
index 8fb0b58..ea00a89 100644
--- a/IronChests2/common/cpw/mods/ironchest/ItemChestChanger.java
+++ b/IronChests2/common/cpw/mods/ironchest/ItemChestChanger.java
@@ -73,14 +73,14 @@ public class ItemChestChanger extends Item {
                 chestContents[i] = null;
             }
             // Clear the old block out
-            world.setBlock(X, Y, Z, 0);
+            world.setBlockWithNotify(X, Y, Z, 0);
             // Force the Chest TE to reset it's knowledge of neighbouring blocks
             tec.updateContainingBlockInfo();
             // Force the Chest TE to update any neighbours so they update next
             // tick
             tec.checkForAdjacentChests();
             // And put in our block instead
-            world.setBlock(X, Y, Z, block.blockID);
+            world.setBlockWithNotify(X, Y, Z, block.blockID);
         }
         else
         {
diff --git a/IronChests2/resources/cpw/mods/ironchest/sprites/item_textures.png b/IronChests2/resources/cpw/mods/ironchest/sprites/item_textures.png
index 7d6f80f..535c78d 100644
Binary files a/IronChests2/resources/cpw/mods/ironchest/sprites/item_textures.png and b/IronChests2/resources/cpw/mods/ironchest/sprites/item_textures.png differ