diff --git a/src/main/java/jds/bibliocraft/ClientProxy.java b/src/main/java/jds/bibliocraft/ClientProxy.java
index 0df8557..890fd6c 100644
--- a/src/main/java/jds/bibliocraft/ClientProxy.java
+++ b/src/main/java/jds/bibliocraft/ClientProxy.java
@@ -175,6 +175,7 @@
 public class ClientProxy extends CommonProxy 
 {
 
+	@SuppressWarnings("unchecked")
 	public void registerRenderers()
 	{
 		MinecraftForge.EVENT_BUS.register(TextureStichHandler.instance);
diff --git a/src/main/java/jds/bibliocraft/network/packet/server/BiblioUpdateInv.java b/src/main/java/jds/bibliocraft/network/packet/server/BiblioUpdateInv.java
index f9c460b..67c9514 100644
--- a/src/main/java/jds/bibliocraft/network/packet/server/BiblioUpdateInv.java
+++ b/src/main/java/jds/bibliocraft/network/packet/server/BiblioUpdateInv.java
@@ -12,6 +12,7 @@
 import net.minecraft.item.ItemStack;
 import net.minecraft.nbt.NBTTagCompound;
 import net.minecraft.nbt.NBTTagList;
+import net.minecraft.tileentity.TileEntity;
 import net.minecraft.util.EnumHand;
 import net.minecraftforge.common.util.Constants;
 import net.minecraftforge.fml.common.network.ByteBufUtils;
@@ -62,8 +63,10 @@ public IMessage onMessage(BiblioUpdateInv message, MessageContext ctx)
                         {
                             for (int i = 0; i <= list.tagCount(); i++) 
                             {
-                            	Item testItem =  new ItemStack(list.getCompoundTagAt(i)).getItem();
-                            	if (!(testItem instanceof ItemEmptyMap || testItem instanceof ItemMap || testItem instanceof ItemWaypointCompass))
+                            	ItemStack testStack = new ItemStack(list.getCompoundTagAt(i));
+                            	Item testItem =  testStack.getItem();
+                            	System.out.println(testItem.getUnlocalizedName());
+                            	if (!testStack.isEmpty() && !(testItem instanceof ItemEmptyMap || testItem instanceof ItemMap || testItem instanceof ItemWaypointCompass))
                             	{
                             		safe = false;
                             	}