diff --git a/src/components/Editor/Invitees/InviteesList.vue b/src/components/Editor/Invitees/InviteesList.vue
index 7ea3bc614..d986d9098 100644
--- a/src/components/Editor/Invitees/InviteesList.vue
+++ b/src/components/Editor/Invitees/InviteesList.vue
@@ -255,8 +255,12 @@ export default {
 		alreadyInvitedEmails() {
 			const emails = this.invitees.map(attendee => removeMailtoPrefix(attendee.uri))
 
+			// A user should be able to invite themselves if they are not the organizer
 			const principal = this.principalsStore.getCurrentUserPrincipal
-			if (principal) {
+			const organizerUri = this.calendarObjectInstance.organizer?.uri
+			if (organizerUri) {
+				emails.push(removeMailtoPrefix(organizerUri))
+			} else if (principal) {
 				emails.push(principal.emailAddress)
 			}