From 3d9a779242d3611b1d4da5a0c8b218e0708bbf4a Mon Sep 17 00:00:00 2001
From: Dream-Master <dream-master@gmx.net>
Date: Mon, 27 Jun 2016 16:56:24 +0200
Subject: [PATCH] fix thanks @Muramasa

---
 .../machines/multi/GT_MetaTileEntity_AdvMiner2.java       | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_AdvMiner2.java b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_AdvMiner2.java
index 816d54f1..021f8c72 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_AdvMiner2.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_AdvMiner2.java
@@ -133,10 +133,12 @@ public class GT_MetaTileEntity_AdvMiner2 extends GT_MetaTileEntity_MultiBlockBas
             }
             ArrayList<ItemStack> tDrops = new ArrayList();
             if (!mMineList.isEmpty()) {
-
                 ChunkPosition mle = mMineList.get(0);
-                mMineList.remove(0);
-                Block tMineBlock = getBaseMetaTileEntity().getBlockOffset(mle.chunkPosX, mle.chunkPosY, mle.chunkPosZ);
+                Block tMineBlock = null;
+                while ((tMineBlock==null || tMineBlock == Blocks.air)) {
+                    mMineList.remove(0);
+                    tMineBlock = getBaseMetaTileEntity().getBlockOffset(mle.chunkPosX, mle.chunkPosY, mle.chunkPosZ);
+                }
                 int metadata = getBaseMetaTileEntity().getMetaIDOffset(mle.chunkPosX, mle.chunkPosY, mle.chunkPosZ);
                 boolean silkTouch = tMineBlock.canSilkHarvest(getBaseMetaTileEntity().getWorld(), null, mle.chunkPosX, mle.chunkPosY, mle.chunkPosZ, metadata);
                 if (silkTouch){