diff --git a/src/material/block/solid/Slab.php b/src/material/block/solid/Slab.php
index 4a6410e9b..ec1970868 100644
--- a/src/material/block/solid/Slab.php
+++ b/src/material/block/solid/Slab.php
@@ -55,7 +55,7 @@ class SlabBlock extends TransparentBlock{
 					$this->level->setBlock($target, BlockAPI::get(DOUBLE_SLAB, $this->meta));
 					return true;
 				}
-			}elseif(!$player->entity->inBlock($block->x, $block->y, $block->z)){
+			}elseif(!$player->entity->inBlock($block)){
 				if($block->getID() === SLAB){
 					if(($block->getMetadata() & 0x07) === ($this->meta & 0x07)){
 						$this->level->setBlock($block, BlockAPI::get(DOUBLE_SLAB, $this->meta));
diff --git a/src/world/ChunkParser.php b/src/world/PocketChunkParser.php
similarity index 100%
rename from src/world/ChunkParser.php
rename to src/world/PocketChunkParser.php