diff --git a/src/pocketmine/PocketMine.php b/src/pocketmine/PocketMine.php
index 29317e941..5503c9c22 100644
--- a/src/pocketmine/PocketMine.php
+++ b/src/pocketmine/PocketMine.php
@@ -491,6 +491,7 @@ namespace pocketmine {
 
 	$killer = new ServerKiller(8);
 	$killer->start();
+	usleep(10000); //Fixes ServerKiller not being able to start on single-core machines
 
 	$erroredThreads = 0;
 	foreach(ThreadManager::getInstance()->getAll() as $id => $thread){