diff --git a/common/mekanism/api/MekanismAPI.java b/common/mekanism/api/MekanismAPI.java
index c920bdfd0..d500de6a9 100644
--- a/common/mekanism/api/MekanismAPI.java
+++ b/common/mekanism/api/MekanismAPI.java
@@ -3,12 +3,45 @@ package mekanism.api;
 import java.util.HashSet;
 import java.util.Set;
 
+import net.minecraftforge.oredict.OreDictionary;
+
 public class MekanismAPI
 {
 	//Add a BlockInfo value here if you don't want a certain block to be picked up by cardboard boxes
-	public static Set<BlockInfo> cardboardBoxIgnore = new HashSet<BlockInfo>();
+	private static Set<BlockInfo> cardboardBoxIgnore = new HashSet<BlockInfo>();
 	
-	public static class BlockInfo
+	public static boolean isBlockCompatible(int id, int meta)
+	{
+		boolean has = false;
+		
+		for(BlockInfo i : cardboardBoxIgnore)
+		{
+			if(i.id == id && (i.meta == OreDictionary.WILDCARD_VALUE || i.meta == meta))
+			{
+				has = true;
+				break;
+			}
+		}
+		
+		if(!has)
+		{
+			return true;
+		}
+		
+		return false;
+	}
+	
+	public static void addBoxBlacklist(int id, int meta)
+	{
+		cardboardBoxIgnore.add(new BlockInfo(id, meta));
+	}
+	
+	public static void removeBoxBlacklist(int id, int meta)
+	{
+		cardboardBoxIgnore.remove(new BlockInfo(id, meta));
+	}
+	
+	private static class BlockInfo
 	{	
 		public int id;
 		public int meta;
diff --git a/common/mekanism/common/CommonProxy.java b/common/mekanism/common/CommonProxy.java
index d58c61164..12be3a848 100644
--- a/common/mekanism/common/CommonProxy.java
+++ b/common/mekanism/common/CommonProxy.java
@@ -3,7 +3,6 @@ package mekanism.common;
 import java.io.File;
 
 import mekanism.api.MekanismAPI;
-import mekanism.api.MekanismAPI.BlockInfo;
 import mekanism.common.entity.EntityRobit;
 import mekanism.common.inventory.container.ContainerAdvancedElectricMachine;
 import mekanism.common.inventory.container.ContainerChanceMachine;
@@ -209,10 +208,10 @@ public class CommonProxy
 	  	
 		if(Mekanism.cardboardSpawners)
 		{
-			MekanismAPI.cardboardBoxIgnore.remove(new BlockInfo(Block.mobSpawner.blockID, 0));
+			MekanismAPI.removeBoxBlacklist(Block.mobSpawner.blockID, 0);
 		}
 		else {
-			MekanismAPI.cardboardBoxIgnore.add(new BlockInfo(Block.mobSpawner.blockID, 0));
+			MekanismAPI.addBoxBlacklist(Block.mobSpawner.blockID, 0);
 		}
 	  	
 		Mekanism.enrichmentChamberUsage = Mekanism.configuration.get("usage", "EnrichmentChamberUsage", 50D).getDouble(50D);
@@ -408,10 +407,10 @@ public class CommonProxy
 	{
 		if(Mekanism.cardboardSpawners)
 		{
-			MekanismAPI.cardboardBoxIgnore.remove(new BlockInfo(Block.mobSpawner.blockID, 0));
+			MekanismAPI.removeBoxBlacklist(Block.mobSpawner.blockID, 0);
 		}
 		else {
-			MekanismAPI.cardboardBoxIgnore.add(new BlockInfo(Block.mobSpawner.blockID, 0));
+			MekanismAPI.addBoxBlacklist(Block.mobSpawner.blockID, 0);
 		}
 		
 		System.out.println("[Mekanism] Received config from server.");
diff --git a/common/mekanism/common/Mekanism.java b/common/mekanism/common/Mekanism.java
index 77c4398be..2c755cda2 100644
--- a/common/mekanism/common/Mekanism.java
+++ b/common/mekanism/common/Mekanism.java
@@ -10,12 +10,12 @@ import java.util.Map;
 import java.util.Set;
 import java.util.logging.Logger;
 
+import codechicken.multipart.handler.MultipartProxy;
 import mekanism.api.ChanceOutput;
 import mekanism.api.ChemicalPair;
 import mekanism.api.Coord4D;
 import mekanism.api.EnumColor;
 import mekanism.api.MekanismAPI;
-import mekanism.api.MekanismAPI.BlockInfo;
 import mekanism.api.gas.Gas;
 import mekanism.api.gas.GasNetwork.GasTransferEvent;
 import mekanism.api.gas.GasRegistry;
@@ -1123,8 +1123,15 @@ public class Mekanism
 		addRecipes();
 		addEntities();
 		
-		MekanismAPI.cardboardBoxIgnore.add(new BlockInfo(BoundingBlock.blockID, 0));
-		MekanismAPI.cardboardBoxIgnore.add(new BlockInfo(BoundingBlock.blockID, 1));
+		MekanismAPI.addBoxBlacklist(BoundingBlock.blockID, OreDictionary.WILDCARD_VALUE);
+		MekanismAPI.addBoxBlacklist(Block.bedrock.blockID, 0);
+		MekanismAPI.addBoxBlacklist(Block.portal.blockID, 0);
+		MekanismAPI.addBoxBlacklist(Block.endPortal.blockID, 0);
+		MekanismAPI.addBoxBlacklist(Block.endPortalFrame.blockID, OreDictionary.WILDCARD_VALUE);
+		MekanismAPI.addBoxBlacklist(Block.bed.blockID, OreDictionary.WILDCARD_VALUE);
+		MekanismAPI.addBoxBlacklist(Block.doorWood.blockID, OreDictionary.WILDCARD_VALUE);
+		MekanismAPI.addBoxBlacklist(Block.doorIron.blockID, OreDictionary.WILDCARD_VALUE);
+		MekanismAPI.addBoxBlacklist(MultipartProxy.block().blockID, OreDictionary.WILDCARD_VALUE);
 		
 		registerOreDict();
 
diff --git a/common/mekanism/common/item/ItemBlockCardboardBox.java b/common/mekanism/common/item/ItemBlockCardboardBox.java
index 8e28149df..7ff1343d7 100644
--- a/common/mekanism/common/item/ItemBlockCardboardBox.java
+++ b/common/mekanism/common/item/ItemBlockCardboardBox.java
@@ -4,7 +4,6 @@ import java.util.List;
 
 import mekanism.api.EnumColor;
 import mekanism.api.MekanismAPI;
-import mekanism.api.MekanismAPI.BlockInfo;
 import mekanism.common.Mekanism;
 import mekanism.common.block.BlockCardboardBox.BlockData;
 import mekanism.common.tile.TileEntityCardboardBox;
@@ -76,7 +75,7 @@ public class ItemBlockCardboardBox extends ItemBlock
 			int id = world.getBlockId(x, y, z);
 			int meta = world.getBlockMetadata(x, y, z);
 			
-	    	if(!world.isRemote && !MekanismAPI.cardboardBoxIgnore.contains(new BlockInfo(id, meta)))
+	    	if(!world.isRemote && !MekanismAPI.isBlockCompatible(id, meta))
 	    	{
     			BlockData data = new BlockData();
     			data.id = id;