diff --git a/src/pocketmine/block/Ladder.php b/src/pocketmine/block/Ladder.php
index 2de51c5ad..a84258e4c 100644
--- a/src/pocketmine/block/Ladder.php
+++ b/src/pocketmine/block/Ladder.php
@@ -24,6 +24,7 @@ declare(strict_types=1);
 namespace pocketmine\block;
 
 use pocketmine\entity\Entity;
+use pocketmine\entity\Living;
 use pocketmine\item\Item;
 use pocketmine\math\AxisAlignedBB;
 use pocketmine\math\Vector3;
@@ -58,7 +59,7 @@ class Ladder extends Transparent{
 	}
 
 	public function onEntityCollide(Entity $entity) : void{
-		if($entity->asVector3()->floor()->distanceSquared($this) < 1){ //entity coordinates must be inside block
+		if($entity instanceof Living and $entity->asVector3()->floor()->distanceSquared($this) < 1){ //entity coordinates must be inside block
 			$entity->resetFallDistance();
 			$entity->onGround = true;
 		}