diff --git a/src/pocketmine/scheduler/TickScheduler.php b/src/pocketmine/scheduler/TickScheduler.php
index 6e1320288..4a3ad3253 100644
--- a/src/pocketmine/scheduler/TickScheduler.php
+++ b/src/pocketmine/scheduler/TickScheduler.php
@@ -74,7 +74,7 @@ class TickScheduler extends \Thread{
 			$this->tickMeasure = (int) ((($time = microtime(true)) - $tickTime) * 1000000);
 			$tickTime = $time;
 			$sleepTime = $this->sleepTime * ($this->sleepTime / max($this->sleepTime, $this->tickMeasure));
-			usleep($sleepTime - 100); //Remove a few ms for processing
+			usleep((int) $sleepTime);
 		}
 	}
 }
\ No newline at end of file