diff --git a/src/block/BlockTypeTags.php b/src/block/BlockTypeTags.php
index 8bcd4c589..8537a2814 100644
--- a/src/block/BlockTypeTags.php
+++ b/src/block/BlockTypeTags.php
@@ -24,9 +24,10 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 final class BlockTypeTags{
+	private const PREFIX = "pocketmine:";
 
-	public const DIRT = "dirt";
-	public const MUD = "mud";
-	public const SAND = "sand";
-	public const POTTABLE_PLANTS = "pottable";
+	public const DIRT = self::PREFIX . "dirt";
+	public const MUD = self::PREFIX . "mud";
+	public const SAND = self::PREFIX . "sand";
+	public const POTTABLE_PLANTS = self::PREFIX . "pottable";
 }