diff --git a/app/definitions/IUser.ts b/app/definitions/IUser.ts
index e1746554d7..7a82aa64ec 100644
--- a/app/definitions/IUser.ts
+++ b/app/definitions/IUser.ts
@@ -103,6 +103,22 @@ export interface IUserSettings {
 		[key: string]: any;
 	};
 }
+type TNotifications = 'default' | 'all' | 'mentions' | 'nothing';
+
+export interface INotificationPreferences {
+	id: string;
+	enableMessageParserEarlyAdoption: boolean;
+	desktopNotifications: TNotifications;
+	pushNotifications: TNotifications;
+	emailNotificationMode?: 'mentions' | 'nothing';
+}
+
+export interface IUserPreferences {
+	user: { _id: string };
+	settings: {
+		preferences: INotificationPreferences;
+	};
+}
 
 export interface IUser extends IRocketChatRecord, Omit<ILoggedUser, 'username' | 'name' | 'status'> {
 	_id: string;
diff --git a/app/definitions/rest/v1/user.ts b/app/definitions/rest/v1/user.ts
index b8c37cc174..737ed9a583 100644
--- a/app/definitions/rest/v1/user.ts
+++ b/app/definitions/rest/v1/user.ts
@@ -1,4 +1,4 @@
-import { IUser, IUserRegistered } from '../../IUser';
+import { INotificationPreferences, IUser, IUserPreferences, IUserRegistered } from '../../IUser';
 
 export type UserEndpoints = {
 	'users.info': {
@@ -11,6 +11,12 @@ export type UserEndpoints = {
 			success: boolean;
 		};
 	};
+	'users.setPreferences': {
+		POST: (params: { userId: IUser['_id']; data: Partial<INotificationPreferences> }) => {
+			user: IUserPreferences;
+			success: boolean;
+		};
+	};
 	'users.register': {
 		POST: (params: { name: string; email: string; username: string; pass: string }) => { user: IUserRegistered };
 	};
diff --git a/app/lib/rocketchat/services/restApi.ts b/app/lib/rocketchat/services/restApi.ts
index 5b27f610b5..dbf1a8de68 100644
--- a/app/lib/rocketchat/services/restApi.ts
+++ b/app/lib/rocketchat/services/restApi.ts
@@ -1,7 +1,7 @@
-import { SubscriptionType } from '../../../definitions';
+import sdk from './sdk';
 import { TEAM_TYPE } from '../../../definitions/ITeam';
 import roomTypeToApiType, { RoomTypes } from '../methods/roomTypeToApiType';
-import sdk from './sdk';
+import { SubscriptionType, INotificationPreferences } from '../../../definitions';
 
 export const createChannel = ({
 	name,
@@ -283,10 +283,8 @@ export const reportMessage = (messageId: string): any =>
 	// @ts-ignore
 	sdk.post('chat.reportMessage', { messageId, description: 'Message reported by user' });
 
-export const setUserPreferences = (userId: string, data: any): any =>
+export const setUserPreferences = (userId: string, data: Partial<INotificationPreferences>) =>
 	// RC 0.62.0
-	// TODO: missing definitions from server
-	// @ts-ignore
 	sdk.post('users.setPreferences', { userId, data });
 
 export const setUserStatus = (status?: string, message?: string): any =>
diff --git a/app/views/UserNotificationPreferencesView/index.tsx b/app/views/UserNotificationPreferencesView/index.tsx
index 8961cb38f7..79a6817323 100644
--- a/app/views/UserNotificationPreferencesView/index.tsx
+++ b/app/views/UserNotificationPreferencesView/index.tsx
@@ -106,10 +106,12 @@ class UserNotificationPreferencesView extends React.Component<
 		const { user } = this.props;
 		const { id } = user;
 		const result = await RocketChat.setUserPreferences(id, params);
-		const {
-			user: { settings }
-		} = result;
-		this.setState({ preferences: settings.preferences });
+		if (result.success) {
+			const {
+				user: { settings }
+			} = result;
+			this.setState({ preferences: settings.preferences });
+		}
 	};
 
 	render() {