diff --git a/src/pocketmine/entity/Living.php b/src/pocketmine/entity/Living.php
index f2d710877..74dd361f7 100644
--- a/src/pocketmine/entity/Living.php
+++ b/src/pocketmine/entity/Living.php
@@ -466,9 +466,7 @@ abstract class Living extends Entity implements Damageable{
 			}
 
 			if(!$this->canBreathe()){
-				if($this->isBreathing()){
-					$this->setBreathing(false);
-				}
+				$this->setBreathing(false);
 				$this->doAirSupplyTick($tickDiff);
 			}elseif(!$this->isBreathing()){
 				$this->setBreathing(true);