diff --git a/src/pocketmine/block/GlowingObsidian.php b/src/pocketmine/block/GlowingObsidian.php
index 10ca59964..1cca06d36 100644
--- a/src/pocketmine/block/GlowingObsidian.php
+++ b/src/pocketmine/block/GlowingObsidian.php
@@ -22,7 +22,7 @@
 namespace pocketmine\block;
 
 
-class GlowingObsidian extends Solid{
+class GlowingObsidian extends Transparent{
 
 	protected $id = self::GLOWING_OBSIDIAN;