diff --git a/res/css/views/rooms/_RoomHeader.scss b/res/css/views/rooms/_RoomHeader.scss
index f1e4456cc1..45b9733faa 100644
--- a/res/css/views/rooms/_RoomHeader.scss
+++ b/res/css/views/rooms/_RoomHeader.scss
@@ -263,3 +263,24 @@ limitations under the License.
 .mx_RoomHeader_pinsIndicatorUnread {
     background-color: $pinned-unread-color;
 }
+
+.mx_RoomHeader_PrivateIcon.mx_RoomHeader_isPrivate {
+    width: 12px;
+    height: 12px;
+    position: relative;
+    display: block !important;
+
+    &::before {
+        background-color: $roomtile-name-color;
+        mask-image: url('$(res)/img/feather-customised/lock-solid.svg');
+        mask-position: center;
+        mask-repeat: no-repeat;
+        mask-size: contain;
+        content: '';
+        position: absolute;
+        top: 0;
+        bottom: 0;
+        left: 0;
+        right: 0;
+    }
+}
diff --git a/src/components/views/rooms/RoomHeader.js b/src/components/views/rooms/RoomHeader.js
index eaf2e733ca..6807cc98a8 100644
--- a/src/components/views/rooms/RoomHeader.js
+++ b/src/components/views/rooms/RoomHeader.js
@@ -159,6 +159,14 @@ module.exports = createReactClass({
             <E2EIcon status={this.props.e2eStatus} /> :
             undefined;
 
+        const joinRules = this.props.room && this.props.room.currentState.getStateEvents("m.room.join_rules", "");
+        const joinRule = joinRules && joinRules.getContent().join_rule;
+        const joinRuleClass = classNames("mx_RoomHeader_PrivateIcon",
+                                         {"mx_RoomHeader_isPrivate": joinRule === "invite"});
+        const privateIcon = SettingsStore.isFeatureEnabled("feature_cross_signing") ?
+            <div className={joinRuleClass} /> :
+            undefined;
+
         if (this.props.onCancelClick) {
             cancelButton = <CancelButton onClick={this.props.onCancelClick} />;
         }
@@ -303,6 +311,7 @@ module.exports = createReactClass({
                 <div className="mx_RoomHeader_wrapper">
                     <div className="mx_RoomHeader_avatar">{ roomAvatar }</div>
                     { e2eIcon }
+                    { privateIcon }
                     { name }
                     { topicElement }
                     { cancelButton }