diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 4cce00cf2ff..8f791433576 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -1356,16 +1356,12 @@ protected function processMovement($tickDiff){
 
 			$this->move($dx, $dy, $dz);
 
-			$diffX = $this->x - $newPos->x;
-			$diffY = $this->y - $newPos->y;
-			$diffZ = $this->z - $newPos->z;
-
 			$yS = 0.5 + $this->ySize;
-			if($diffY >= -$yS or $diffY <= $yS){
-				$diffY = 0;
+			if(-$yS <= $dy or $dy <= $yS){
+				$dy = 0;
 			}
 
-			$diff = ($diffX ** 2 + $diffY ** 2 + $diffZ ** 2) / ($tickDiff ** 2);
+			$diff = ($dx ** 2 + $dy ** 2 + $dz ** 2) / ($tickDiff ** 2);
 
 			if($this->isSurvival()){
 				if(!$revert and !$this->isSleeping()){
diff --git a/src/pocketmine/level/format/mcregion/McRegion.php b/src/pocketmine/level/format/mcregion/McRegion.php
index 03dab7e946d..f418c586ccd 100644
--- a/src/pocketmine/level/format/mcregion/McRegion.php
+++ b/src/pocketmine/level/format/mcregion/McRegion.php
@@ -85,9 +85,9 @@ public static function generate($path, $name, $seed, $generator, array $options
 			"initialized" => new ByteTag("initialized", 1),
 			"GameType" => new IntTag("GameType", 0),
 			"generatorVersion" => new IntTag("generatorVersion", 1), //2 in MCPE
-			"SpawnX" => new IntTag("SpawnX", 128),
+			"SpawnX" => new IntTag("SpawnX", 255),
 			"SpawnY" => new IntTag("SpawnY", 70),
-			"SpawnZ" => new IntTag("SpawnZ", 128),
+			"SpawnZ" => new IntTag("SpawnZ", 255),
 			"version" => new IntTag("version", 19133),
 			"DayTime" => new IntTag("DayTime", 0),
 			"LastPlayed" => new LongTag("LastPlayed", microtime(true) * 1000),