diff --git a/src/pocketmine/math/Vector3.php b/src/pocketmine/math/Vector3.php
index 36801282a..395ee9c1c 100644
--- a/src/pocketmine/math/Vector3.php
+++ b/src/pocketmine/math/Vector3.php
@@ -250,7 +250,7 @@ class Vector3{
 		if($f < 0 or $f > 1){
 			return null;
 		}else{
-			return new Vector3($this->x + $xDiff * $f, $this->y + $yDiff * $f, $this->z + $zDiff * $f);
+			return new Vector3($x, $this->y + $yDiff * $f, $this->z + $zDiff * $f);
 		}
 	}
 
@@ -277,7 +277,7 @@ class Vector3{
 		if($f < 0 or $f > 1){
 			return null;
 		}else{
-			return new Vector3($this->x + $xDiff * $f, $this->y + $yDiff * $f, $this->z + $zDiff * $f);
+			return new Vector3($this->x + $xDiff * $f, $y, $this->z + $zDiff * $f);
 		}
 	}
 
@@ -304,7 +304,7 @@ class Vector3{
 		if($f < 0 or $f > 1){
 			return null;
 		}else{
-			return new Vector3($this->x + $xDiff * $f, $this->y + $yDiff * $f, $this->z + $zDiff * $f);
+			return new Vector3($this->x + $xDiff * $f, $this->y + $yDiff * $f, $z);
 		}
 	}