diff --git a/src/map.cpp b/src/map.cpp
index 3f2f8d1d35c034e2da9640c2584a077c920f8e79..74bea3dac7272f81f672ec6243e2d093a029562a 100644
--- a/src/map.cpp
+++ b/src/map.cpp
@@ -2240,7 +2240,7 @@ bool ServerMap::initBlockMake(BlockMakeData *data, v3s16 blockpos)
 	}
 	
 	// Ensure none of the blocks to be generated were marked as containing CONTENT_IGNORE
-	for (s16 z = blockpos_min.Z; z <= blockpos_max.Z; z++) {
+/*	for (s16 z = blockpos_min.Z; z <= blockpos_max.Z; z++) {
 		for (s16 y = blockpos_min.Y; y <= blockpos_max.Y; y++) {
 			for (s16 x = blockpos_min.X; x <= blockpos_max.X; x++) {
 				core::map<v3s16, u8>::Node *n;
@@ -2252,7 +2252,7 @@ bool ServerMap::initBlockMake(BlockMakeData *data, v3s16 blockpos)
 				n->setValue(flags);
 			}
 		}
-	}
+	}*/
 
 	// Data is ready now.
 	return true;
@@ -3715,11 +3715,11 @@ void MapVoxelManipulator::emerge(VoxelArea a, s32 caller_id)
 				memset(&m_flags[i], VOXELFLAG_INEXISTENT, MAP_BLOCKSIZE);
 			}
 		}
-		else if (block->getNode(0, 0, 0).getContent() == CONTENT_IGNORE)
+		/*else if (block->getNode(0, 0, 0).getContent() == CONTENT_IGNORE)
 		{
 			// Mark that block was loaded as blank
 			flags |= VMANIP_BLOCK_CONTAINS_CIGNORE;
-		}
+		}*/
 
 		m_loaded_blocks.insert(p, flags);
 	}
@@ -3881,11 +3881,11 @@ void ManualMapVoxelManipulator::initialEmerge(
 				memset(&m_flags[i], VOXELFLAG_INEXISTENT, MAP_BLOCKSIZE);
 			}
 		}
-		else if (block->getNode(0, 0, 0).getContent() == CONTENT_IGNORE)
+		/*else if (block->getNode(0, 0, 0).getContent() == CONTENT_IGNORE)
 		{
 			// Mark that block was loaded as blank
 			flags |= VMANIP_BLOCK_CONTAINS_CIGNORE;
-		}
+		}*/
 
 		m_loaded_blocks.insert(p, flags);
 	}
@@ -3927,13 +3927,10 @@ void ManualMapVoxelManipulator::blitBackAll(
 			continue;
 		}
 
-		bool no_content_ignore = !(flags & VMANIP_BLOCK_CONTAINS_CIGNORE);
-		if (no_content_ignore)
-		{
-			block->copyFrom(*this);
-			if(modified_blocks)
-				modified_blocks->insert(p, block);
-		}
+		block->copyFrom(*this);
+		
+		if(modified_blocks)
+			modified_blocks->insert(p, block);
 	}
 }
 
diff --git a/src/porting.h b/src/porting.h
index 74ee97f88efa8dcca558d2d4229e3ad018937578..03d2fcbd360894671e13a8a9829a7001ef5b4298 100644
--- a/src/porting.h
+++ b/src/porting.h
@@ -72,7 +72,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
 	#define THREAD_PRIORITY_BELOW_NORMAL 1
 	#define THREAD_PRIORITY_NORMAL       2
 	#define THREAD_PRIORITY_ABOVE_NORMAL 3
-	#define THREAD_PRIORITY_HIGHEST	     4
+	#define THREAD_PRIORITY_HIGHEST      4
 #endif
 
 #ifdef _MSC_VER
diff --git a/src/voxel.cpp b/src/voxel.cpp
index 0ff5305fa99d5dba1b44300099c06b6780e4552c..c55f3f5392dd0716ba96096412932aa91e2bf273 100644
--- a/src/voxel.cpp
+++ b/src/voxel.cpp
@@ -244,7 +244,13 @@ void VoxelManipulator::copyTo(MapNode *dst, VoxelArea dst_area,
 	{
 		s32 i_dst = dst_area.index(dst_pos.X, dst_pos.Y+y, dst_pos.Z+z);
 		s32 i_local = m_area.index(from_pos.X, from_pos.Y+y, from_pos.Z+z);
-		memcpy(&dst[i_dst], &m_data[i_local], size.X*sizeof(MapNode));
+		for (s16 x = 0; x < size.X; x++) {
+			if (m_data[i_local].getContent() != CONTENT_IGNORE)
+				dst[i_dst] = m_data[i_local];
+			i_dst++;
+			i_local++;
+		}
+		//memcpy(&dst[i_dst], &m_data[i_local], size.X*sizeof(MapNode));
 	}
 }