diff --git a/Sponge/src/main/java/com/plotsquared/sponge/generator/SpongeAugmentedGenerator.java b/Sponge/src/main/java/com/plotsquared/sponge/generator/SpongeAugmentedGenerator.java
index f71317949..aaa4e65a8 100644
--- a/Sponge/src/main/java/com/plotsquared/sponge/generator/SpongeAugmentedGenerator.java
+++ b/Sponge/src/main/java/com/plotsquared/sponge/generator/SpongeAugmentedGenerator.java
@@ -5,7 +5,6 @@ import com.intellectualcrafters.plot.generator.AugmentedUtils;
 import com.intellectualcrafters.plot.object.PlotBlock;
 import com.intellectualcrafters.plot.util.block.DelegateLocalBlockQueue;
 import com.plotsquared.sponge.util.SpongeUtil;
-import java.util.List;
 import org.spongepowered.api.block.BlockState;
 import org.spongepowered.api.world.World;
 import org.spongepowered.api.world.extent.ImmutableBiomeArea;
@@ -13,6 +12,8 @@ import org.spongepowered.api.world.extent.MutableBlockVolume;
 import org.spongepowered.api.world.gen.GenerationPopulator;
 import org.spongepowered.api.world.gen.WorldGenerator;
 
+import java.util.List;
+
 public class SpongeAugmentedGenerator implements GenerationPopulator {
     
     private static SpongeAugmentedGenerator generator;
@@ -44,14 +45,14 @@ public class SpongeAugmentedGenerator implements GenerationPopulator {
         AugmentedUtils.generate(world.getName(), cx, cz, new DelegateLocalBlockQueue(null) {
             @Override
             public boolean setBlock(int x, int y, int z, int id, int data) {
-                terrain.setBlock(bx + x, y, bz + z, SpongeUtil.getBlockState(id, data));
+                terrain.setBlock(bx + x, y, bz + z, SpongeUtil.getBlockState(id, data), SpongeUtil.CAUSE);
                 return true;
             }
 
             @Override
             public PlotBlock getBlock(int x, int y, int z) {
                 BlockState block = terrain.getBlock(bx + x, y, bz + z);
-                return block == null ? PlotBlock.get(0, 0) : SpongeUtil.getPlotBlock(block);
+                return SpongeUtil.getPlotBlock(block);
             }
 
             @Override
diff --git a/Sponge/src/main/java/com/plotsquared/sponge/util/SpongeUtil.java b/Sponge/src/main/java/com/plotsquared/sponge/util/SpongeUtil.java
index e84d5f89a..ae0bb2e0a 100644
--- a/Sponge/src/main/java/com/plotsquared/sponge/util/SpongeUtil.java
+++ b/Sponge/src/main/java/com/plotsquared/sponge/util/SpongeUtil.java
@@ -35,6 +35,7 @@ import org.spongepowered.api.event.cause.NamedCause;
 import org.spongepowered.api.text.Text;
 import org.spongepowered.api.text.serializer.TextSerializers;
 import org.spongepowered.api.text.translation.Translation;
+import org.spongepowered.api.world.BlockChangeFlag;
 import org.spongepowered.api.world.World;
 import org.spongepowered.api.world.biome.BiomeType;
 import org.spongepowered.api.world.biome.BiomeTypes;
@@ -303,7 +304,8 @@ public class SpongeUtil extends WorldUtil {
             StringComparison<PlotBlock> outer = new StringComparison<PlotBlock>();
             return outer.new ComparisonResult(match, block);
 
-        } catch (NumberFormatException ignored) {}
+        } catch (NumberFormatException ignored) {
+        }
         return null;
     }
 
@@ -429,7 +431,7 @@ public class SpongeUtil extends WorldUtil {
     @Override
     public void setSign(String worldName, int x, int y, int z, String[] lines) {
         World world = SpongeUtil.getWorld(worldName);
-        world.setBlock(x, y, z, BlockTypes.WALL_SIGN.getDefaultState());
+        world.setBlock(x, y, z, BlockTypes.WALL_SIGN.getDefaultState(), BlockChangeFlag.NONE, CAUSE);
         Optional<TileEntity> block = world.getTileEntity(x, y, z);
         if (!block.isPresent()) {
             return;
diff --git a/Sponge/src/main/java/com/plotsquared/sponge/util/block/GenChunk.java b/Sponge/src/main/java/com/plotsquared/sponge/util/block/GenChunk.java
index 361258217..f69d19217 100644
--- a/Sponge/src/main/java/com/plotsquared/sponge/util/block/GenChunk.java
+++ b/Sponge/src/main/java/com/plotsquared/sponge/util/block/GenChunk.java
@@ -52,7 +52,7 @@ public class GenChunk extends ScopedLocalBlockQueue {
     @Override
     public boolean setBlock(int x, int y, int z, int id, int data) {
         modified = true;
-        this.terrain.setBlock(this.bx + x, y, this.bz + z, SpongeUtil.getBlockState(id, data));
+        this.terrain.setBlock(this.bx + x, y, this.bz + z, SpongeUtil.getBlockState(id, data),SpongeUtil.CAUSE);
         return true;
     }
 
diff --git a/Sponge/src/main/java/com/plotsquared/sponge/util/block/SpongeLocalQueue.java b/Sponge/src/main/java/com/plotsquared/sponge/util/block/SpongeLocalQueue.java
index 52aed64b9..60cce20a3 100644
--- a/Sponge/src/main/java/com/plotsquared/sponge/util/block/SpongeLocalQueue.java
+++ b/Sponge/src/main/java/com/plotsquared/sponge/util/block/SpongeLocalQueue.java
@@ -7,9 +7,6 @@ import com.intellectualcrafters.plot.util.StringMan;
 import com.intellectualcrafters.plot.util.TaskManager;
 import com.intellectualcrafters.plot.util.block.BasicLocalBlockQueue;
 import com.plotsquared.sponge.util.SpongeUtil;
-import java.lang.reflect.Field;
-import java.util.Arrays;
-import java.util.HashSet;
 import net.minecraft.block.Block;
 import net.minecraft.block.state.IBlockState;
 import net.minecraft.entity.Entity;
@@ -35,6 +32,10 @@ import org.spongepowered.api.world.extent.UnmodifiableBlockVolume;
 import org.spongepowered.api.world.extent.worker.MutableBlockVolumeWorker;
 import org.spongepowered.api.world.extent.worker.procedure.BlockVolumeMapper;
 
+import java.lang.reflect.Field;
+import java.util.Arrays;
+import java.util.HashSet;
+
 public class SpongeLocalQueue extends BasicLocalBlockQueue<char[]> {
 
     public SpongeLocalQueue(String world) {
@@ -441,7 +442,7 @@ public class SpongeLocalQueue extends BasicLocalBlockQueue<char[]> {
         World worldObj = getSpongeWorld();
         org.spongepowered.api.world.Chunk spongeChunk = (org.spongepowered.api.world.Chunk) getChunk(worldObj, lc.getX(), lc.getZ());
         char[][] ids = ((CharLocalChunk) lc).blocks;
-        MutableBlockVolumeWorker<? extends org.spongepowered.api.world.Chunk> blockWorker = spongeChunk.getBlockWorker();
+        MutableBlockVolumeWorker<? extends org.spongepowered.api.world.Chunk> blockWorker = spongeChunk.getBlockWorker(SpongeUtil.CAUSE);
         blockWorker.map(new BlockVolumeMapper() {
             @Override
             public BlockState map(UnmodifiableBlockVolume volume, int xx, int y, int zz) {