diff --git a/phpstan.neon.dist b/phpstan.neon.dist
index 762eaefc9..8908fecb6 100644
--- a/phpstan.neon.dist
+++ b/phpstan.neon.dist
@@ -38,6 +38,9 @@ parameters:
 		- tests/phpunit
 		- tests/plugins/TesterPlugin
 		- tools
+	excludePaths:
+		analyseAndScan:
+			- build/php
 	dynamicConstantNames:
 		- pocketmine\VersionInfo::IS_DEVELOPMENT_BUILD
 		- pocketmine\DEBUG
diff --git a/src/entity/projectile/Projectile.php b/src/entity/projectile/Projectile.php
index 9201b6060..baf81322b 100644
--- a/src/entity/projectile/Projectile.php
+++ b/src/entity/projectile/Projectile.php
@@ -176,7 +176,7 @@ abstract class Projectile extends Entity{
 		Timings::$entityMove->startTiming();
 
 		$start = $this->location->asVector3();
-		$end = $start->addVector($this->motion);
+		$end = $start->add($dx, $dy, $dz);
 
 		$blockHit = null;
 		$entityHit = null;