diff --git a/src/pocketmine/entity/Entity.php b/src/pocketmine/entity/Entity.php
index 02bdfba10..e080c8874 100644
--- a/src/pocketmine/entity/Entity.php
+++ b/src/pocketmine/entity/Entity.php
@@ -637,6 +637,9 @@ abstract class Entity extends Location implements Metadatable, EntityIds{
 	 * @param float $value
 	 */
 	public function setScale(float $value) : void{
+		if($value <= 0){
+			throw new \InvalidArgumentException("Scale must be greater than 0");
+		}
 		$multiplier = $value / $this->getScale();
 
 		$this->width *= $multiplier;