diff --git a/src/classes/Data.php b/src/classes/Data.php
index edcdbb6b5..80ab56f3b 100644
--- a/src/classes/Data.php
+++ b/src/classes/Data.php
@@ -110,9 +110,11 @@ class Material{
 		51 => true,
 		53 => true,
 		59 => true,
+		63 => true,
 		64 => true,
 		65 => true,
 		67 => true,
+		68 => true,
 		71 => true,
 		78 => true,
 		79 => true,