diff --git a/src/pocketmine/level/Level.php b/src/pocketmine/level/Level.php
index 3fd642b32..8344606e2 100644
--- a/src/pocketmine/level/Level.php
+++ b/src/pocketmine/level/Level.php
@@ -2217,20 +2217,20 @@ class Level implements ChunkManager, Metadatable{
 	/**
 	 * @param int $x
 	 * @param int $z
-	 *
-	 * @return int
+	 * @param int $biomeId
 	 */
-	public function getHeightMap(int $x, int $z) : int{
-		return $this->getChunk($x >> 4, $z >> 4, true)->getHeightMap($x & 0x0f, $z & 0x0f);
+	public function setBiomeId(int $x, int $z, int $biomeId){
+		$this->getChunk($x >> 4, $z >> 4, true)->setBiomeId($x & 0x0f, $z & 0x0f, $biomeId);
 	}
 
 	/**
 	 * @param int $x
 	 * @param int $z
-	 * @param int $biomeId
+	 *
+	 * @return int
 	 */
-	public function setBiomeId(int $x, int $z, int $biomeId){
-		$this->getChunk($x >> 4, $z >> 4, true)->setBiomeId($x & 0x0f, $z & 0x0f, $biomeId);
+	public function getHeightMap(int $x, int $z) : int{
+		return $this->getChunk($x >> 4, $z >> 4, true)->getHeightMap($x & 0x0f, $z & 0x0f);
 	}
 
 	/**