diff --git a/src/minecraft/tdwp_ftw/biomesop/helpers/BonemealUse.java b/src/minecraft/tdwp_ftw/biomesop/helpers/BonemealUse.java
index 86cb781bd..d8a05b207 100644
--- a/src/minecraft/tdwp_ftw/biomesop/helpers/BonemealUse.java
+++ b/src/minecraft/tdwp_ftw/biomesop/helpers/BonemealUse.java
@@ -215,13 +215,16 @@ public class BonemealUse
 		
 		if (event.ID == BOPBlocks.mangroveSapling.blockID)
 		{
-			event.setResult(Result.ALLOW);
-
-			if (!event.world.isRemote)
+			if (event.world.getBlockId(event.X, event.Y - 1, event.Z) == Block.sand.blockID)
 			{
-				if ((double)event.world.rand.nextFloat() < 0.45D)
+				event.setResult(Result.ALLOW);
+
+				if (!event.world.isRemote)
 				{
-					((BlockMangroveSapling)BOPBlocks.mangroveSapling).growTree(event.world, event.X, event.Y, event.Z, event.world.rand);
+					if ((double)event.world.rand.nextFloat() < 0.45D)
+					{
+						((BlockMangroveSapling)BOPBlocks.mangroveSapling).growTree(event.world, event.X, event.Y, event.Z, event.world.rand);
+					}
 				}
 			}
 		}
diff --git a/src/minecraft/tdwp_ftw/biomesop/items/projectiles/DispenserBehaviorMudball.java b/src/minecraft/tdwp_ftw/biomesop/items/projectiles/DispenserBehaviorMudball.java
index d16c33ba7..6e3fd600f 100644
--- a/src/minecraft/tdwp_ftw/biomesop/items/projectiles/DispenserBehaviorMudball.java
+++ b/src/minecraft/tdwp_ftw/biomesop/items/projectiles/DispenserBehaviorMudball.java
@@ -1,14 +1,14 @@
-package tdwp_ftw.biomesop.items.projectiles;
-
-import net.minecraft.dispenser.BehaviorProjectileDispense;
-import net.minecraft.dispenser.IPosition;
-import net.minecraft.entity.IProjectile;
-import net.minecraft.world.World;
-
-public class DispenserBehaviorMudball extends BehaviorProjectileDispense
-{
-	protected IProjectile getProjectileEntity(World par1World, IPosition par2IPosition)
-    {
-        return new EntityMudball(par1World, par2IPosition.getX(), par2IPosition.getY(), par2IPosition.getZ());
-    }
-}
+package tdwp_ftw.biomesop.items.projectiles;
+
+import net.minecraft.dispenser.BehaviorProjectileDispense;
+import net.minecraft.dispenser.IPosition;
+import net.minecraft.entity.IProjectile;
+import net.minecraft.world.World;
+
+public class DispenserBehaviorMudball extends BehaviorProjectileDispense
+{
+	protected IProjectile getProjectileEntity(World par1World, IPosition par2IPosition)
+    {
+        return new EntityMudball(par1World, par2IPosition.getX(), par2IPosition.getY(), par2IPosition.getZ());
+    }
+}