diff --git a/examples/webgl_particles_random.html b/examples/webgl_particles_random.html
index 215558e68233b7e31f868fd71b9ca0fe4b7409fc..053ecde4c57fedf6da0307b17fcdf1130ef644fe 100644
--- a/examples/webgl_particles_random.html
+++ b/examples/webgl_particles_random.html
@@ -46,7 +46,7 @@
 			if ( ! Detector.webgl ) Detector.addGetWebGLMessage();
 
 			var container, stats;
-			var camera, scene, renderer, particles, geometry, materials = [], parameters, i, h, color;
+			var camera, scene, renderer, particles, geometry, materials = [], parameters, i, h, color, size;
 			var mouseX = 0, mouseY = 0;
 
 			var windowHalfX = window.innerWidth / 2;