diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts
index 97336cad..1af9a30a 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/messages.component.ts
@@ -1636,7 +1636,10 @@ export class MessagesComponent implements OnInit, OnDestroy, AfterViewInit {
 
             if (userSeqs.length > 0) {
               // include me
-              userSeqs.push(this.loginResSubject.value.userSeq);
+              const myUserSeq = this.loginResSubject.value.userSeq;
+              if (!!myUserSeq && userSeqs.indexOf(myUserSeq) < 0) {
+                userSeqs.push(myUserSeq);
+              }
 
               this.store.dispatch(
                 RoomStore.inviteOrOpen({