diff --git a/test/harness/helper.js b/test/harness/helper.js
index 8d89b67dade194c11a17f0b0b9a85184497433c9..b66589f25858ad49a4d507aa95c2f52a58c84f87 100644
--- a/test/harness/helper.js
+++ b/test/harness/helper.js
@@ -72,7 +72,7 @@ function Presenter() {
         if (isSiteDebugMode()) {
             this.activityBar.text('Overall Execution Time: ' + elapsed + ' minutes');
         } else {
-            activityBar.text('');
+            this.activityBar.text('');
         }
     }