diff --git a/src/libs/OptionsListUtils.js b/src/libs/OptionsListUtils.js
index 3a602eef27d2..6b0312c0499e 100644
--- a/src/libs/OptionsListUtils.js
+++ b/src/libs/OptionsListUtils.js
@@ -758,16 +758,27 @@ function getOptions(
         !_.find(loginOptionsToExclude, (loginOptionToExclude) => loginOptionToExclude.login === addSMSDomainIfPhoneNumber(searchValue).toLowerCase()) &&
         (searchValue !== CONST.EMAIL.CHRONOS || Permissions.canUseChronos(betas))
     ) {
-        const fakeAccountID = UserUtils.generateAccountID();
-        userToInvite = createOption([fakeAccountID], personalDetails, null, reportActions, {
+        // Generates an optimistic account ID for new users not yet saved in Onyx
+        const optimisticAccountID = UserUtils.generateAccountID();
+        const personalDetailsExtended = {
+            ...personalDetails,
+            [optimisticAccountID]: {
+                accountID: optimisticAccountID,
+                login: searchValue,
+                avatar: UserUtils.getDefaultAvatar(optimisticAccountID),
+            },
+        };
+        userToInvite = createOption([optimisticAccountID], personalDetailsExtended, null, reportActions, {
             showChatPreviewLine,
         });
         userToInvite.login = searchValue;
+        userToInvite.text = userToInvite.text || searchValue;
+        userToInvite.alternateText = userToInvite.alternateText || searchValue;
 
         // If user doesn't exist, use a default avatar
         userToInvite.icons = [
             {
-                source: UserUtils.getAvatar('', fakeAccountID),
+                source: UserUtils.getAvatar('', optimisticAccountID),
                 login: searchValue,
                 type: CONST.ICON_TYPE_AVATAR,
             },
diff --git a/src/libs/ReportUtils.js b/src/libs/ReportUtils.js
index 181df5ec442c..979f9f28b839 100644
--- a/src/libs/ReportUtils.js
+++ b/src/libs/ReportUtils.js
@@ -887,7 +887,7 @@ function getDisplayNameForParticipant(accountID, shouldUseShortForm = false) {
 function getDisplayNamesWithTooltips(participants, isMultipleParticipantReport) {
     return _.map(participants, (participant) => {
         const personalDetails = getPersonalDetailsForAccountID(participant.accountID);
-        const displayName = getDisplayNameForParticipant(participant.accountID, isMultipleParticipantReport);
+        const displayName = getDisplayNameForParticipant(participant.accountID, isMultipleParticipantReport) || participant.login;
 
         const tooltip = personalDetails.login ? Str.removeSMSDomain(personalDetails.login) : '';