diff --git a/patches/minecraft/net/minecraft/item/crafting/FurnaceRecipes.java.patch b/patches/minecraft/net/minecraft/item/crafting/FurnaceRecipes.java.patch
index 93edfe568..e717399ed 100644
--- a/patches/minecraft/net/minecraft/item/crafting/FurnaceRecipes.java.patch
+++ b/patches/minecraft/net/minecraft/item/crafting/FurnaceRecipes.java.patch
@@ -1,6 +1,14 @@
 --- ../src-base/minecraft/net/minecraft/item/crafting/FurnaceRecipes.java
 +++ ../src-work/minecraft/net/minecraft/item/crafting/FurnaceRecipes.java
-@@ -113,6 +113,9 @@
+@@ -78,6 +78,7 @@
+ 
+     public void func_151394_a(ItemStack p_151394_1_, ItemStack p_151394_2_, float p_151394_3_)
+     {
++        if (func_151395_a(p_151394_1_) != null) { net.minecraftforge.fml.common.FMLLog.info("Ignored smelting recipe with conflicting input: " + p_151394_1_ + " = " + p_151394_2_); return; }
+         this.field_77604_b.put(p_151394_1_, p_151394_2_);
+         this.field_77605_c.put(p_151394_2_, Float.valueOf(p_151394_3_));
+     }
+@@ -113,6 +114,9 @@
  
      public float func_151398_b(ItemStack p_151398_1_)
      {