diff --git a/src/main/java/emt/tile/TileEntityEtherealMacerator.java b/src/main/java/emt/tile/TileEntityEtherealMacerator.java
index 1b229b2..baaf38d 100644
--- a/src/main/java/emt/tile/TileEntityEtherealMacerator.java
+++ b/src/main/java/emt/tile/TileEntityEtherealMacerator.java
@@ -2,13 +2,9 @@ package emt.tile;
 
 import emt.init.EMTBlocks;
 import emt.util.EMTConfigHandler;
-import ic2.api.item.IC2Items;
 import ic2.api.tile.IWrenchable;
 import net.minecraft.entity.player.EntityPlayer;
-import net.minecraft.init.Blocks;
-import net.minecraft.init.Items;
 import net.minecraft.inventory.ISidedInventory;
-import net.minecraft.item.Item;
 import net.minecraft.item.ItemStack;
 import net.minecraft.item.crafting.FurnaceRecipes;
 import net.minecraft.nbt.NBTTagCompound;
@@ -118,7 +114,7 @@ public class TileEntityEtherealMacerator extends TileEntityEMT implements ISided
     }
 
     public void updateEntity() {
-        if (this.canSmelt() && isOverLimit(1) == false && isOverLimit(2) == false && isOP() == false) {
+        if (this.canSmelt() && !isOverLimit(1) && !isOverLimit(2) && isAllowed()) {
             ++this.cookTime;
             this.isOn = true;
             worldObj.markBlockForUpdate(xCoord, yCoord, zCoord);
@@ -226,18 +222,17 @@ public class TileEntityEtherealMacerator extends TileEntityEMT implements ISided
         }
     }
 
-    public boolean isOP() {
-        final int cobblestoneId = OreDictionary.getOreID("blockCobble");
+    public boolean isAllowed() {
 
-        if (OreDictionary.getOreID(this.slots[0]) == cobblestoneId || this.slots[0].getItem() == Item.getItemFromBlock(Blocks.sand) || this.slots[0].getItem() == Items.potato || this.slots[0].getItem() == Items.porkchop || this.slots[0].getItem() == Items.beef || this.slots[0].getItem() == Items.chicken || this.slots[0].getItem() == Items.fish
-                || this.slots[0].getItem() == IC2Items.getItem("coalDust").getItem()
-                || (OreDictionary.getOreName(OreDictionary.getOreID(this.slots[0])).toLowerCase().contains("dust") || this.slots[0].getItem().getUnlocalizedName(this.slots[0]).toLowerCase().contains("armour") || this.slots[0].getItem().getUnlocalizedName(this.slots[0]).toLowerCase().contains("armor") || this.slots[0].getItem().getUnlocalizedName(this.slots[0]).toLowerCase().contains("helm")
-                || this.slots[0].getItem().getUnlocalizedName(this.slots[0]).toLowerCase().contains("legging") || this.slots[0].getItem().getUnlocalizedName(this.slots[0]).toLowerCase().contains("boot") || this.slots[0].getItem().getUnlocalizedName(this.slots[0]).toLowerCase().contains("chestp") || this.slots[0].getItem().getUnlocalizedName(this.slots[0]).toLowerCase().contains("pick")
-                || this.slots[0].getItem().getUnlocalizedName(this.slots[0]).toLowerCase().contains("shovel") || this.slots[0].getItem().getUnlocalizedName(this.slots[0]).toLowerCase().contains("axe") || this.slots[0].getItem().getUnlocalizedName(this.slots[0]).toLowerCase().contains("pick"))) {
-            return true;
-        } else {
-            return false;
+        int[] oreDictIDs = OreDictionary.getOreIDs(this.slots[0]);
+        for (int oreDictID : oreDictIDs) {
+            String tName = OreDictionary.getOreName(oreDictID);
+            for (String allowed : EMTConfigHandler.etherealMaceratorWhiteList) {
+                if (tName.indexOf(allowed) == 0) return true;
+            }
         }
+        return false;
+
     }
 
     @Override
diff --git a/src/main/java/emt/util/EMTConfigHandler.java b/src/main/java/emt/util/EMTConfigHandler.java
index bfd17e7..c1845c4 100644
--- a/src/main/java/emt/util/EMTConfigHandler.java
+++ b/src/main/java/emt/util/EMTConfigHandler.java
@@ -5,6 +5,9 @@ import gregtech.api.enums.GT_Values;
 import net.minecraftforge.common.config.Configuration;
 
 import java.io.File;
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
 
 /**
  * TODO: Need to rewrite...
@@ -72,6 +75,7 @@ public class EMTConfigHandler {
     public static boolean smoke;
     public static boolean oneRingSpawn;
     public static boolean removeAmberAndCinnabarMacerating;
+    public static List<String> etherealMaceratorWhiteList = new ArrayList<>();
 
     /**
      * Loot chance
@@ -156,6 +160,7 @@ public class EMTConfigHandler {
         chanceOneRing = config.get(RANDOM, "One Ring spawning chance", 15, "If you have a lot of mods adding dungeon loot, you should definetely increase this").getInt();
         removeAmberAndCinnabarMacerating = config.get(RANDOM, "Clear Amber/Cinnabar Macerating", true, "This is here because of conflicts between mods that add the same input and different outputs").getBoolean(removeAmberAndCinnabarMacerating);
         impactOfRain = config.get(RANDOM, "Impact of rain", true, "The impact of rain on all wings").getBoolean(impactOfRain);
+        etherealMaceratorWhiteList.addAll(Arrays.asList(config.get(RANDOM, "White List for Ethereal Processor", new String[]{"ore", "cluster"}, "The allowed ore dictionary prefix for Ethereal Processor.").getStringList()));
 
         // DEFAULTS - Aer -  15,000  Aqua - 5,000  Ignis - 20,000  Ordo -  16,000  Perditio - 10,000  Terra - 2,000
         airOutput = config.get(OUTPUTS, "Aer Output", 15000).getDouble(airOutput);
@@ -190,7 +195,6 @@ public class EMTConfigHandler {
         inventoryBaubleProdution = config.get(VALUES, "Inventory Charging Ring production", 32, "Default is 32").getInt();
         wandChargeFocusCost = config.get(VALUES, "Wand Focus: Wand Charging Cost", 40000, "Default is 40000").getInt();
 
-
         nanoBootsMinDrop = config.get(VALUES, "Nano Boots of the Traveller minimum drop", 6.0, "The distance allowed to fall without any damage").getDouble(nanoBootsMinDrop);
         nanoBootsMaxDrop = config.get(VALUES, "Nano Boots of the Traveller maximum healthy drop", 35.0, "Energy amount drained will tripled if player drops more than this amount of blocks").getDouble(nanoBootsMaxDrop);
         quantumBootsMinDrop = config.get(VALUES, "Quantum Boots of the Traveller minimum drop", 10.0, "The distance allowed to fall without any damage").getDouble(quantumBootsMinDrop);