diff --git a/examples/canvas_interactive_cubes.html b/examples/canvas_interactive_cubes.html
index ec79001dcd89a0268dbb87a185bb0ca11dbb4eaa..38a1cdbf27c85b035e8b7bc901bc1897f796b541 100644
--- a/examples/canvas_interactive_cubes.html
+++ b/examples/canvas_interactive_cubes.html
@@ -131,7 +131,7 @@
 					intersects[ 0 ].object.material.color.setHex( Math.random() * 0xffffff );
 
 					var particle = new THREE.Sprite( particleMaterial );
-					particle.position = intersects[ 0 ].point;
+					particle.position.copy( intersects[ 0 ].point );
 					particle.scale.x = particle.scale.y = 16;
 					scene.add( particle );