diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 8b506bebf..09dbad881 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -1651,7 +1651,7 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
 		$this->sendAttributes();
 
 		if(!$this->isAlive() and $this->spawned){
-			++$this->deadTicks;
+			$this->deadTicks += $tickDiff;
 			if($this->deadTicks >= 10){
 				$this->despawnFromAll();
 			}
@@ -1689,7 +1689,7 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
 							}
 						}
 
-						++$this->inAirTicks;
+						$this->inAirTicks += $tickDiff;
 					}
 				}
 			}
diff --git a/src/pocketmine/entity/Entity.php b/src/pocketmine/entity/Entity.php
index a4f44193b..f1ed6bc87 100644
--- a/src/pocketmine/entity/Entity.php
+++ b/src/pocketmine/entity/Entity.php
@@ -1252,7 +1252,7 @@ abstract class Entity extends Location implements Metadatable{
 		}
 
 		if(!$this->isAlive()){
-			++$this->deadTicks;
+			$this->deadTicks += $tickDiff;
 			if($this->deadTicks >= 10){
 				$this->despawnFromAll();
 				if(!$this->isPlayer){