diff --git a/src/main/java/storagecraft/tile/TileConstructor.java b/src/main/java/storagecraft/tile/TileConstructor.java
index 1dd6fdbba..77ac8e420 100644
--- a/src/main/java/storagecraft/tile/TileConstructor.java
+++ b/src/main/java/storagecraft/tile/TileConstructor.java
@@ -28,17 +28,20 @@ public class TileConstructor extends TileMachine implements IInventory, ISidedIn
 	@Override
 	public void updateMachine()
 	{
-		int frontX = xCoord + getDirection().offsetX;
-		int frontY = yCoord + getDirection().offsetY;
-		int frontZ = zCoord + getDirection().offsetZ;
-
-		if (worldObj.getBlock(frontX, frontY, frontZ) == Blocks.air && inventory.getStackInSlot(0) != null)
+		if (ticks % 10 == 0)
 		{
-			ItemStack took = getController().take(inventory.getStackInSlot(0).copy(), compare);
+			int frontX = xCoord + getDirection().offsetX;
+			int frontY = yCoord + getDirection().offsetY;
+			int frontZ = zCoord + getDirection().offsetZ;
 
-			if (took != null)
+			if (worldObj.getBlock(frontX, frontY, frontZ) == Blocks.air && inventory.getStackInSlot(0) != null)
 			{
-				worldObj.setBlock(frontX, frontY, frontZ, ((ItemBlock) took.getItem()).field_150939_a, took.getItemDamage(), 1 | 2);
+				ItemStack took = getController().take(inventory.getStackInSlot(0).copy(), compare);
+
+				if (took != null)
+				{
+					worldObj.setBlock(frontX, frontY, frontZ, ((ItemBlock) took.getItem()).field_150939_a, took.getItemDamage(), 1 | 2);
+				}
 			}
 		}
 	}
diff --git a/src/main/java/storagecraft/tile/TileDestructor.java b/src/main/java/storagecraft/tile/TileDestructor.java
index 20981524f..279e574b3 100644
--- a/src/main/java/storagecraft/tile/TileDestructor.java
+++ b/src/main/java/storagecraft/tile/TileDestructor.java
@@ -17,23 +17,26 @@ public class TileDestructor extends TileMachine
 	@Override
 	public void updateMachine()
 	{
-		int frontX = xCoord + getDirection().offsetX;
-		int frontY = yCoord + getDirection().offsetY;
-		int frontZ = zCoord + getDirection().offsetZ;
-
-		Block front = worldObj.getBlock(frontX, frontY, frontZ);
-
-		if (front != Blocks.air)
+		if (ticks % 10 == 0)
 		{
-			List<ItemStack> drops = front.getDrops(worldObj, frontX, frontY, frontZ, worldObj.getBlockMetadata(frontX, frontY, frontZ), 0);
+			int frontX = xCoord + getDirection().offsetX;
+			int frontY = yCoord + getDirection().offsetY;
+			int frontZ = zCoord + getDirection().offsetZ;
 
-			worldObj.setBlockToAir(frontX, frontY, frontZ);
+			Block front = worldObj.getBlock(frontX, frontY, frontZ);
 
-			for (ItemStack drop : drops)
+			if (front != Blocks.air)
 			{
-				if (!getController().push(drop))
+				List<ItemStack> drops = front.getDrops(worldObj, frontX, frontY, frontZ, worldObj.getBlockMetadata(frontX, frontY, frontZ), 0);
+
+				worldObj.setBlockToAir(frontX, frontY, frontZ);
+
+				for (ItemStack drop : drops)
 				{
-					InventoryUtils.dropStack(worldObj, drop, frontX, frontY, frontZ);
+					if (!getController().push(drop))
+					{
+						InventoryUtils.dropStack(worldObj, drop, frontX, frontY, frontZ);
+					}
 				}
 			}
 		}