diff --git a/src/API/LevelAPI.php b/src/API/LevelAPI.php
index e1967c942..00bd67ab3 100644
--- a/src/API/LevelAPI.php
+++ b/src/API/LevelAPI.php
@@ -108,6 +108,9 @@ class LevelAPI{
 	}
 	
 	public function levelExists($name){
+		if($name === ""){
+			return false;
+		}
 		$path = DATA_PATH."worlds/".$name."/";
 		if($this->get($name) === false and !file_exists($path."level.pmf")){
 			$level = new LevelImport($path);
diff --git a/src/PocketMinecraftServer.php b/src/PocketMinecraftServer.php
index a0c0d18ac..f23bcfe47 100644
--- a/src/PocketMinecraftServer.php
+++ b/src/PocketMinecraftServer.php
@@ -324,8 +324,8 @@ class PocketMinecraftServer{
 	public function tick(){
 		$time = microtime(true);
 		if($this->lastTick <= ($time - 0.05)){
-			unset($this->tickMeasure[key($this->tickMeasure)]);
 			$this->tickMeasure[] = $this->lastTick = $time;
+			unset($this->tickMeasure[key($this->tickMeasure)]);
 			$this->tickerFunction($time);
 			$this->trigger("server.tick", $time);
 		}
diff --git a/src/world/generator/SuperflatGenerator.php b/src/world/generator/SuperflatGenerator.php
index cbb1082d7..9cb18cf2b 100644
--- a/src/world/generator/SuperflatGenerator.php
+++ b/src/world/generator/SuperflatGenerator.php
@@ -33,7 +33,7 @@ class SuperflatGenerator implements LevelGenerator{
 	private $level, $random, $structure, $chunks, $options, $floorLevel;
 	
 	public function __construct(array $options = array()){
-		$this->preset = "2;7,2x3,2;1;spawn(radius=10 block=24)";
+		$this->preset = "2;7,59x1,3x3,2;1;spawn(radius=10 block=89),trees";
 		$this->options = $options;
 		if(isset($options["preset"])){
 			$this->parsePreset($options["preset"]);