diff --git a/patches/minecraft/net/minecraft/inventory/ContainerRepair.java.patch b/patches/minecraft/net/minecraft/inventory/ContainerRepair.java.patch
index c2eb66a2c3..9616e4cdb3 100644
--- a/patches/minecraft/net/minecraft/inventory/ContainerRepair.java.patch
+++ b/patches/minecraft/net/minecraft/inventory/ContainerRepair.java.patch
@@ -1,6 +1,22 @@
 --- ../src-base/minecraft/net/minecraft/inventory/ContainerRepair.java
 +++ ../src-work/minecraft/net/minecraft/inventory/ContainerRepair.java
-@@ -373,6 +373,8 @@
+@@ -12,6 +12,7 @@
+ import net.minecraft.init.Items;
+ import net.minecraft.item.ItemStack;
+ import net.minecraft.world.World;
++import net.minecraftforge.common.ForgeHooks;
+ import org.apache.commons.lang3.StringUtils;
+ import org.apache.logging.log4j.LogManager;
+ import org.apache.logging.log4j.Logger;
+@@ -170,6 +171,7 @@
+ 
+             if (itemstack2 != null)
+             {
++                if (!ForgeHooks.onAnvilChange(this, itemstack, itemstack2, field_82852_f, field_82857_m, k2)) return;
+                 flag = itemstack2.func_77973_b() == Items.field_151134_bR && Items.field_151134_bR.func_92110_g(itemstack2).func_74745_c() > 0;
+ 
+                 if (itemstack1.func_77984_f() && itemstack1.func_77973_b().func_82789_a(itemstack, itemstack2))
+@@ -373,6 +375,8 @@
                  k2 = Math.max(1, k2 / 2);
              }
  
diff --git a/src/main/java/net/minecraftforge/common/ForgeHooks.java b/src/main/java/net/minecraftforge/common/ForgeHooks.java
index 1ad659ef6b..3ebb8f7ad6 100644
--- a/src/main/java/net/minecraftforge/common/ForgeHooks.java
+++ b/src/main/java/net/minecraftforge/common/ForgeHooks.java
@@ -3,7 +3,6 @@ package net.minecraftforge.common;
 import java.util.ArrayList;
 import java.util.List;
 import java.util.Set;
-
 import cpw.mods.fml.common.eventhandler.Event;
 import cpw.mods.fml.relauncher.ReflectionHelper;
 import net.minecraft.block.Block;
@@ -14,6 +13,8 @@ import net.minecraft.entity.player.EntityPlayerMP;
 import net.minecraft.init.Blocks;
 import net.minecraft.init.Items;
 import net.minecraft.inventory.Container;
+import net.minecraft.inventory.ContainerRepair;
+import net.minecraft.inventory.IInventory;
 import net.minecraft.item.ItemArmor;
 import net.minecraft.item.ItemAxe;
 import net.minecraft.item.ItemPickaxe;
@@ -33,6 +34,7 @@ import net.minecraft.util.MovingObjectPosition.MovingObjectType;
 import net.minecraft.util.WeightedRandom;
 import net.minecraft.world.World;
 import net.minecraft.world.WorldSettings.GameType;
+import net.minecraftforge.event.AnvilUpdateEvent;
 import net.minecraftforge.event.ServerChatEvent;
 import net.minecraftforge.event.entity.item.ItemTossEvent;
 import net.minecraftforge.event.entity.living.LivingAttackEvent;
@@ -423,4 +425,15 @@ public class ForgeHooks
         }
         return event;
     }
+
+    public static boolean onAnvilChange(ContainerRepair container, ItemStack left, ItemStack right, IInventory outputSlot, String name, int baseCost)
+    {
+        AnvilUpdateEvent e = new AnvilUpdateEvent(left, right, name, baseCost);
+        if (MinecraftForge.EVENT_BUS.post(e)) return false;
+        if (e.output == null) return true;
+
+        outputSlot.setInventorySlotContents(0, e.output);
+        container.maximumCost = e.cost;
+        return false;
+    }
 }
diff --git a/src/main/java/net/minecraftforge/event/AnvilUpdateEvent.java b/src/main/java/net/minecraftforge/event/AnvilUpdateEvent.java
new file mode 100644
index 0000000000..7a80daa861
--- /dev/null
+++ b/src/main/java/net/minecraftforge/event/AnvilUpdateEvent.java
@@ -0,0 +1,30 @@
+package net.minecraftforge.event;
+
+import cpw.mods.fml.common.eventhandler.Cancelable;
+import cpw.mods.fml.common.eventhandler.Event;
+import net.minecraft.item.ItemStack;
+
+/**
+ * 
+ * AnvilUpdateEvent is fired when a player places items in both the left and right slots of a anvil.
+ * If the event is canceled, vanilla behavior will not run, and the output will be set to null.
+ * If the event is not canceled, but the output is not null, it will set the output and not run vanilla behavior.
+ * if the output is null, and the event is not canceled, vanilla behavior will execute.
+ */
+@Cancelable
+public class AnvilUpdateEvent extends Event
+{
+    public final ItemStack left;  // The left side of the input
+    public final ItemStack right; // The right side of the input
+    public final String name;     // The name to set the item, if the user specified one.
+    public ItemStack output;      // Set this to set the output stack
+    public int cost;              // The base cost, set this to change it if output != null
+
+    public AnvilUpdateEvent(ItemStack left, ItemStack right, String name, int cost)
+    {
+        this.left = left;
+        this.right = right;
+        this.name = name;
+        this.cost = cost;
+    }
+}