diff --git a/src/com/untamedears/bottleO/EventListener.java b/src/com/untamedears/bottleO/EventListener.java
index 04bc76b..783bf8e 100644
--- a/src/com/untamedears/bottleO/EventListener.java
+++ b/src/com/untamedears/bottleO/EventListener.java
@@ -18,6 +18,7 @@
 import org.bukkit.event.player.PlayerExpChangeEvent;
 import org.bukkit.event.player.PlayerInteractEvent;
 import org.bukkit.event.player.PlayerLoginEvent;
+import org.bukkit.event.block.BlockPlaceEvent;
 import org.bukkit.inventory.ItemStack;
 import org.bukkit.inventory.PlayerInventory;
 import org.bukkit.potion.PotionEffect;
@@ -294,4 +295,15 @@ public void onEnchantItem(EnchantItemEvent e) {
 		
 		enchantments.applyEnchantments(e.getEnchantsToAdd());
 	}
+
+	@EventHandler(priority=EventPriority.HIGHEST)
+	public void onBlockPlace(BlockPlaceEvent e) {
+		Material heldItem = e.getBlockPlaced().getType();
+		Material placedAgainst = e.getBlockAgainst().getType();
+		if (heldItem == Material.EMERALD_BLOCK && placedAgainst == Material.ENCHANTMENT_TABLE) {
+			e.setCancelled(true);
+		}
+	}
 }
+
+