diff --git a/src/world/World.php b/src/world/World.php
index b2b6dfac2..deb03ef6d 100644
--- a/src/world/World.php
+++ b/src/world/World.php
@@ -2032,6 +2032,12 @@ class World implements ChunkManager{
 
 		if($clickVector === null){
 			$clickVector = new Vector3(0.0, 0.0, 0.0);
+		}else{
+			$clickVector = new Vector3(
+				min(1.0, max(0.0, $clickVector->x)),
+				min(1.0, max(0.0, $clickVector->y)),
+				min(1.0, max(0.0, $clickVector->z))
+			);
 		}
 
 		if(!$this->isInWorld($blockReplace->getPosition()->x, $blockReplace->getPosition()->y, $blockReplace->getPosition()->z)){