diff --git a/examples/particles/waves.html b/examples/particles/waves.html
index ec67e947..c81faebd 100644
--- a/examples/particles/waves.html
+++ b/examples/particles/waves.html
@@ -109,7 +109,7 @@
 					for(var iy = 0; iy < AMOUNTY; iy++)
 					{
 						particle = particles[i++];
-						// particle.size = (Math.sin((ix + count) * .3) + 1) * 2 + (Math.sin((iy + count) * .5) + 1) * 2;
+						particle.size = (Math.sin((ix + count) * .3) + 1) * 2 + (Math.sin((iy + count) * .5) + 1) * 2;
 						particle.position.y = (Math.sin((ix + count) * .3) * 50) + (Math.sin((iy + count) * .5) * 50);
 					}
 				}