diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.html b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.html
index 17475b8b..1804ecb4 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.html
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.html
@@ -64,6 +64,7 @@
   style="visibility: hidden; position: fixed"
   [style.left]="profileContextMenuPosition.x"
   [style.top]="profileContextMenuPosition.y"
+  #profileContextMenuTrigger="matMenuTrigger"
   [matMenuTriggerFor]="profileContextMenu"
 ></div>
 <mat-menu #profileContextMenu="matMenu" [overlapTrigger]="false">
@@ -120,6 +121,7 @@
   style="visibility: hidden; position: fixed"
   [style.left]="groupContextMenuPosition.x"
   [style.top]="groupContextMenuPosition.y"
+  #groupContextMenuTrigger="matMenuTrigger"
   [matMenuTriggerFor]="groupContextMenu"
 ></div>
 <mat-menu #groupContextMenu="matMenu" [overlapTrigger]="false">
diff --git a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
index b99e22f2..01e4f721 100644
--- a/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
+++ b/projects/ucap-webmessenger-app/src/app/layouts/messenger/components/left-sidenav/group.component.ts
@@ -1,14 +1,7 @@
-import {
-  Component,
-  OnInit,
-  ViewChild,
-  ViewChildren,
-  QueryList,
-  OnDestroy
-} from '@angular/core';
+import { Component, OnInit, ViewChild, OnDestroy } from '@angular/core';
 
 import { Observable, combineLatest, Subscription } from 'rxjs';
-import { map, tap, take } from 'rxjs/operators';
+import { map, tap } from 'rxjs/operators';
 
 import { Store, select } from '@ngrx/store';
 
@@ -35,7 +28,7 @@ import {
   UserInfoF,
   UserInfoDN
 } from '@ucap-webmessenger/protocol-query';
-import { MatMenuTrigger, MatMenu } from '@angular/material';
+import { MatMenuTrigger } from '@angular/material';
 import { VersionInfo2Response } from '@ucap-webmessenger/api-public';
 import { KEY_VER_INFO } from '@app/types/ver-info.type';
 
@@ -49,7 +42,11 @@ export class GroupComponent implements OnInit, OnDestroy {
   @ViewChild('groupExpansionPanel', { static: true })
   groupExpansionPanel: GroupExpansionPanelComponent;
 
-  @ViewChildren(MatMenuTrigger) menuTriggerList: QueryList<MatMenuTrigger>;
+  @ViewChild('profileContextMenuTrigger', { static: true })
+  profileContextMenuTrigger: MatMenuTrigger;
+
+  @ViewChild('groupContextMenuTrigger', { static: true })
+  groupContextMenuTrigger: MatMenuTrigger;
 
   profileContextMenuPosition = { x: '0px', y: '0px' };
   groupContextMenuPosition = { x: '0px', y: '0px' };
@@ -228,10 +225,9 @@ export class GroupComponent implements OnInit, OnDestroy {
 
     this.profileContextMenuPosition.x = event.clientX + 'px';
     this.profileContextMenuPosition.y = event.clientY + 'px';
-    const contextMenuTrigger = this.menuTriggerList.toArray()[1];
-    contextMenuTrigger.menu.focusFirstItem('mouse');
-    contextMenuTrigger.menuData = { userInfo };
-    contextMenuTrigger.openMenu();
+    this.profileContextMenuTrigger.menu.focusFirstItem('mouse');
+    this.profileContextMenuTrigger.menuData = { userInfo };
+    this.profileContextMenuTrigger.openMenu();
   }
 
   onClickGroupContextMenu(menuType: string, group: GroupDetailData) {
@@ -250,9 +246,8 @@ export class GroupComponent implements OnInit, OnDestroy {
 
     this.groupContextMenuPosition.x = params.event.clientX + 'px';
     this.groupContextMenuPosition.y = params.event.clientY + 'px';
-    const contextMenuTrigger = this.menuTriggerList.toArray()[2];
-    contextMenuTrigger.menu.focusFirstItem('mouse');
-    contextMenuTrigger.menuData = { group: params.group };
-    contextMenuTrigger.openMenu();
+    this.groupContextMenuTrigger.menu.focusFirstItem('mouse');
+    this.groupContextMenuTrigger.menuData = { group: params.group };
+    this.groupContextMenuTrigger.openMenu();
   }
 }