diff --git a/lib/aggregators/yslow/cssImagesPerPage.js b/lib/aggregators/yslow/cssImagesPerPage.js
index 431b1a07b..b93441210 100644
--- a/lib/aggregators/yslow/cssImagesPerPage.js
+++ b/lib/aggregators/yslow/cssImagesPerPage.js
@@ -12,8 +12,8 @@ module.exports = new Aggregator('cssImagesPerPage',
   '', 2,
   function(pageData) {
     if (pageData.yslow) {
-      if (pageData.yslow.stats.cssimages) {
-        this.stats.push(pageData.yslow.stats.cssimages.r);
+      if (pageData.yslow.stats.cssimage) {
+        this.stats.push(pageData.yslow.stats.cssimage.r);
       } else {
         this.stats.push(0);
       }