diff --git a/application/Espo/Services/Stream.php b/application/Espo/Services/Stream.php
index 177f0c9355..235dbbf83a 100644
--- a/application/Espo/Services/Stream.php
+++ b/application/Espo/Services/Stream.php
@@ -295,7 +295,7 @@ class Stream extends \Espo\Core\Services\Base
 
         $select = [
             'id', 'number', 'type', 'post', 'data', 'parentType', 'parentId', 'relatedType', 'relatedId',
-            'targetType', 'createdAt', 'createdById', 'createdByName', 'isGlobal'
+            'targetType', 'createdAt', 'createdById', 'createdByName', 'isGlobal', 'isInternal'
         ];
 
         $selectParamsList = [];
diff --git a/client/res/templates/stream/notes/post.tpl b/client/res/templates/stream/notes/post.tpl
index 3dc043e1ce..0a70216a63 100644
--- a/client/res/templates/stream/notes/post.tpl
+++ b/client/res/templates/stream/notes/post.tpl
@@ -9,7 +9,13 @@
     <div class="stream-head-container">
         <div class="pull-left">
             {{{avatar}}}
+            {{#if isInternal}}
+            <div class="internal-badge">
+                <span class="glyphicon glyphicon-lock small"></span>
+            </div>
+            {{/if}}
         </div>
+
         <div class="stream-head-text-container">
             <span class="text-muted message">{{{message}}}</span>
         </div>
diff --git a/client/src/views/stream/notes/post.js b/client/src/views/stream/notes/post.js
index c8205f44b1..ad9539b07e 100644
--- a/client/src/views/stream/notes/post.js
+++ b/client/src/views/stream/notes/post.js
@@ -42,6 +42,7 @@ Espo.define('views/stream/notes/post', 'views/stream/note', function (Dep) {
             var data = Dep.prototype.data.call(this);
             data.showAttachments = !!(this.model.get('attachmentsIds') || []).length;
             data.showPost = !!this.model.get('post');
+            data.isInternal = this.isInternal;
             return data;
         },
 
@@ -50,6 +51,8 @@ Espo.define('views/stream/notes/post', 'views/stream/note', function (Dep) {
             this.createField('post', null, null, 'views/stream/fields/post');
             this.createField('attachments', 'attachmentMultiple', {}, 'views/stream/fields/attachment-multiple');
 
+            this.isInternal = this.model.get('isInternal');
+
             if (!this.model.get('post') && this.model.get('parentId')) {
                 this.messageName = 'attach';
                 if (this.isThis) {
diff --git a/frontend/less/espo/custom.less b/frontend/less/espo/custom.less
index c1a77f7e05..ff069db88b 100644
--- a/frontend/less/espo/custom.less
+++ b/frontend/less/espo/custom.less
@@ -840,6 +840,14 @@ body > footer > p a:visited {
     margin-bottom: -2px;
 }
 
+.stream-head-container .internal-badge {
+    position: absolute; top: 34px; left: 19px;
+}
+
+.stream-head-container .internal-badge > span {
+    color: @brand-danger;
+}
+
 img.avatar.avatar-link {
     display: inline-block;
     margin-top: -2px;