diff --git a/src/main/java/openblocks/common/tileentity/TileEntityBlockManipulator.java b/src/main/java/openblocks/common/tileentity/TileEntityBlockManipulator.java
index b783d7ba..7be4030f 100644
--- a/src/main/java/openblocks/common/tileentity/TileEntityBlockManipulator.java
+++ b/src/main/java/openblocks/common/tileentity/TileEntityBlockManipulator.java
@@ -31,13 +31,18 @@ public abstract class TileEntityBlockManipulator extends OpenTileEntity implemen
 				}
 
 				if (isPowered)
-					triggerBreakBlock(newState);
+					triggerBlockAction(newState);
 			}
 		}
 	}
 
-	private void triggerBreakBlock(IBlockState newState) {
-		final EnumFacing direction = getFront(newState);
+	protected void triggerBlockAction() {
+		final IBlockState state = worldObj.getBlockState(getPos());
+		triggerBlockAction(state);
+	}
+
+	private void triggerBlockAction(IBlockState state) {
+		final EnumFacing direction = getFront(state);
 		final BlockPos target = pos.offset(direction);
 
 		if (worldObj.isBlockLoaded(target)) {
diff --git a/src/main/java/openblocks/common/tileentity/TileEntityBlockPlacer.java b/src/main/java/openblocks/common/tileentity/TileEntityBlockPlacer.java
index 8916c765..fae20bf1 100644
--- a/src/main/java/openblocks/common/tileentity/TileEntityBlockPlacer.java
+++ b/src/main/java/openblocks/common/tileentity/TileEntityBlockPlacer.java
@@ -16,6 +16,7 @@ import net.minecraftforge.items.CapabilityItemHandler;
 import openblocks.client.gui.GuiBlockPlacer;
 import openblocks.common.container.ContainerBlockPlacer;
 import openmods.api.IHasGui;
+import openmods.api.IInventoryCallback;
 import openmods.fakeplayer.FakePlayerPool;
 import openmods.fakeplayer.UseItemAction;
 import openmods.include.IncludeInterface;
@@ -27,7 +28,14 @@ public class TileEntityBlockPlacer extends TileEntityBlockManipulator implements
 
 	static final int BUFFER_SIZE = 9;
 
-	private final GenericInventory inventory = registerInventoryCallback(new TileEntityInventory(this, "blockPlacer", false, BUFFER_SIZE));
+	private final GenericInventory inventory = new TileEntityInventory(this, "blockPlacer", false, BUFFER_SIZE)
+			.addCallback(new IInventoryCallback() {
+				@Override
+				public void onInventoryChanged(IInventory inventory, int slotNumber) {
+					markUpdated();
+					triggerBlockAction();
+				}
+			});
 
 	@Override
 	protected boolean canWork(IBlockState targetState, BlockPos target, EnumFacing direction) {