diff --git a/src/libs/ReportUtils.js b/src/libs/ReportUtils.js
index 21541d558b76..57f8797e6188 100644
--- a/src/libs/ReportUtils.js
+++ b/src/libs/ReportUtils.js
@@ -1267,7 +1267,7 @@ function getDisplayNameForParticipant(accountID, shouldUseShortForm = false, sho
  * @param {Boolean} shouldFallbackToHidden
  * @returns {Array}
  */
-function getDisplayNamesWithTooltips(personalDetailsList, isMultipleParticipantReport, shouldFallbackToHidden) {
+function getDisplayNamesWithTooltips(personalDetailsList, isMultipleParticipantReport, shouldFallbackToHidden = true) {
     return _.chain(personalDetailsList)
         .map((user) => {
             const accountID = Number(user.accountID);