diff --git a/integrations/visual-website-optimizer/lib/index.js b/integrations/visual-website-optimizer/lib/index.js
index ab84a6b68..da5b4d718 100644
--- a/integrations/visual-website-optimizer/lib/index.js
+++ b/integrations/visual-website-optimizer/lib/index.js
@@ -118,7 +118,7 @@ VWO.prototype.roots = function() {
   var identifyCalled = false;
   rootExperiments(function(err, data) {
     each(data, function(experimentId, variationName) {
-      const uuid = window.VWO.data.vin.uuid;
+      var uuid = window.VWO.data.vin.uuid;
       var props = {
         experimentId: experimentId,
         variationName: variationName,
diff --git a/integrations/visual-website-optimizer/package.json b/integrations/visual-website-optimizer/package.json
index 1ec5f368e..09493966f 100644
--- a/integrations/visual-website-optimizer/package.json
+++ b/integrations/visual-website-optimizer/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@segment/analytics.js-integration-visual-website-optimizer",
   "description": "The Visual Website Optimizer analytics.js integration.",
-  "version": "2.4.2",
+  "version": "2.4.3",
   "keywords": [
     "analytics.js",
     "analytics.js-integration",