diff --git a/src/pocketmine/utils/MainLogger.php b/src/pocketmine/utils/MainLogger.php
index b3675da66..4bfedc6d9 100644
--- a/src/pocketmine/utils/MainLogger.php
+++ b/src/pocketmine/utils/MainLogger.php
@@ -70,6 +70,14 @@ class MainLogger extends \AttachableThreadedLogger{
 		return static::$logger;
 	}
 
+	/**
+	 * Returns whether a MainLogger instance is statically registered on this thread.
+	 * @return bool
+	 */
+	public static function isRegisteredStatic() : bool{
+		return static::$logger !== null;
+	}
+
 	/**
 	 * Assigns the MainLogger instance to the {@link MainLogger#logger} static property.
 	 *
diff --git a/src/pocketmine/utils/Utils.php b/src/pocketmine/utils/Utils.php
index 342bf58cb..d15a59cd7 100644
--- a/src/pocketmine/utils/Utils.php
+++ b/src/pocketmine/utils/Utils.php
@@ -545,9 +545,8 @@ class Utils{
 	}
 
 	public static function kill($pid) : void{
-		global $logger;
-		if($logger instanceof MainLogger){
-			$logger->syncFlushBuffer();
+		if(MainLogger::isRegisteredStatic()){
+			MainLogger::getLogger()->syncFlushBuffer();
 		}
 		switch(Utils::getOS()){
 			case "win":