diff --git a/src/pocketmine/block/SnowLayer.php b/src/pocketmine/block/SnowLayer.php
index 542d2f7003..3244742e15 100644
--- a/src/pocketmine/block/SnowLayer.php
+++ b/src/pocketmine/block/SnowLayer.php
@@ -65,7 +65,7 @@ class SnowLayer extends Flowable implements Fallable{
 	}
 
 	public function canBeReplaced() : bool{
-		return true;
+		return $this->layers < 8;
 	}
 
 	public function getHardness() : float{