diff --git a/src/material/block/attachable/WallSign.php b/src/material/block/attachable/WallSign.php
index 5218851eb..fb3ca23c8 100644
--- a/src/material/block/attachable/WallSign.php
+++ b/src/material/block/attachable/WallSign.php
@@ -31,7 +31,7 @@ require_once("SignPost.php");
 
 class WallSignBlock extends SignPostBlock{
 	public function __construct($meta = 0){
-		parent::__construct(WALL_SIGN, $meta, "Wall Sign");
+		TransparentBlock::__construct(WALL_SIGN, $meta, "Wall Sign");
 	}
 	
 }
\ No newline at end of file