diff --git a/solutions/scripts/aem-perf-marks.js b/solutions/scripts/aem-perf-marks.js
index d766effcc..58ddc14ff 100644
--- a/solutions/scripts/aem-perf-marks.js
+++ b/solutions/scripts/aem-perf-marks.js
@@ -1,3 +1,9 @@
+/**
+ * AEM Performance Marks.
+ * @type {*|{}}
+ */
+window.PerfMarks = window.PerfMarks || {};
+
 /**
  * Create a performance mark.
  * @param {string} name The name of the performance mark.