From 7555e211448900e29cdcc8dfffc913b5ea6befae Mon Sep 17 00:00:00 2001
From: tterrag1098 <tterrag1098@gmail.com>
Date: Sun, 16 Aug 2015 15:45:22 -0400
Subject: [PATCH] Fix crash when trying to revert an unchiselable block

---
 .../chisel/block/tileentity/TileEntityAutoChisel.java          | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/main/java/com/cricketcraft/chisel/block/tileentity/TileEntityAutoChisel.java b/src/main/java/com/cricketcraft/chisel/block/tileentity/TileEntityAutoChisel.java
index 1c6f1677..36eabe85 100644
--- a/src/main/java/com/cricketcraft/chisel/block/tileentity/TileEntityAutoChisel.java
+++ b/src/main/java/com/cricketcraft/chisel/block/tileentity/TileEntityAutoChisel.java
@@ -181,7 +181,8 @@ public class TileEntityAutoChisel extends TileEntity implements ISidedInventory
 	private ItemStack getTarget() {
 		if (inventory[BASE] != null && hasUpgrade(Upgrade.REVERSION)) {
 			// if we have a reversion upgrade, use that for the target
-			return Carving.chisel.getItemsForChiseling(inventory[BASE]).get(0);
+			List<ItemStack> possible = Carving.chisel.getItemsForChiseling(inventory[BASE]);
+			return possible.isEmpty() ? null : possible.get(0);
 		} else {
 			return inventory[TARGET];
 		}