diff --git a/examples/js/renderers/Projector.js b/examples/js/renderers/Projector.js
index 3e59936cda76c72cf14f8795561e7a9f35bf5c9d..03eb19e6b3194a820c462bc63177b6fc2bda245f 100644
--- a/examples/js/renderers/Projector.js
+++ b/examples/js/renderers/Projector.js
@@ -444,9 +444,9 @@ THREE.Projector = function () {
 
 						if ( groups.length > 0 ) {
 
-							for ( var o = 0; o < groups.length; o ++ ) {
+							for ( var g = 0; g < groups.length; g ++ ) {
 
-								var group = groups[ o ];
+								var group = groups[ g ];
 
 								for ( var i = group.start, l = group.start + group.count; i < l; i += 3 ) {