diff --git a/src/pocketmine/entity/Entity.php b/src/pocketmine/entity/Entity.php
index 2722297b3..f80fe5bd2 100644
--- a/src/pocketmine/entity/Entity.php
+++ b/src/pocketmine/entity/Entity.php
@@ -843,7 +843,7 @@ abstract class Entity extends Location implements Metadatable{
 					$this->fireTicks = 0;
 				}
 			}else{
-				if(!$this->hasEffect(Effect::FIRE_RESISTANCE) and ($this->fireTicks % 20) === 0 or $tickDiff > 20){
+				if(!$this->hasEffect(Effect::FIRE_RESISTANCE) and (($this->fireTicks % 20) === 0 or $tickDiff > 20)){
 					$ev = new EntityDamageEvent($this, EntityDamageEvent::CAUSE_FIRE_TICK, 1);
 					$this->attack($ev->getFinalDamage(), $ev);
 				}