diff --git a/src/block/Door.php b/src/block/Door.php
index 75cb9b711..3bc8d3754 100644
--- a/src/block/Door.php
+++ b/src/block/Door.php
@@ -19,7 +19,7 @@
  *
 */
 
-use PocketMine\Block;
+namespace PocketMine\Block;
 use PocketMine;