diff --git a/src/pocketmine/math/Vector3.php b/src/pocketmine/math/Vector3.php
index 32a92ebda..c8c9463c5 100644
--- a/src/pocketmine/math/Vector3.php
+++ b/src/pocketmine/math/Vector3.php
@@ -253,7 +253,7 @@ 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);
 		}
 	}
 
@@ -280,7 +280,7 @@ 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);
 		}
 	}
 
@@ -307,7 +307,7 @@ 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);
 		}
 	}