--- a/net/minecraft/world/level/block/CaveVinesBlock.java
+++ b/net/minecraft/world/level/block/CaveVinesBlock.java
@@ -57,7 +57,7 @@
 
     @Override
     public EnumInteractionResult interact(IBlockData iblockdata, World world, BlockPosition blockposition, EntityHuman entityhuman, EnumHand enumhand, MovingObjectPositionBlock movingobjectpositionblock) {
-        return CaveVines.harvest(iblockdata, world, blockposition);
+        return CaveVines.harvest(iblockdata, world, blockposition, entityhuman); // CraftBukkit
     }
 
     @Override