diff --git a/examples/canvas_interactive_cubes.html b/examples/canvas_interactive_cubes.html
index 1492f913cd3ee5c2fdeb0553d54f13079d9e3929..31bc4addb070b8bcdbdbc52d6b982f93d7a5785a 100644
--- a/examples/canvas_interactive_cubes.html
+++ b/examples/canvas_interactive_cubes.html
@@ -139,8 +139,8 @@
 
 				event.preventDefault();
 
-				mouse.x = ( event.clientX / renderer.domElement.width ) * 2 - 1;
-				mouse.y = - ( event.clientY / renderer.domElement.height ) * 2 + 1;
+				mouse.x = ( event.clientX / renderer.domElement.clientWidth ) * 2 - 1;
+				mouse.y = - ( event.clientY / renderer.domElement.clientHeight ) * 2 + 1;
 
 				raycaster.setFromCamera( mouse, camera );