diff --git a/src/groups/invite.js b/src/groups/invite.js
index 295972b6be..9155aea172 100644
--- a/src/groups/invite.js
+++ b/src/groups/invite.js
@@ -1,5 +1,7 @@
 'use strict';
 
+const _ = require('lodash');
+
 const db = require('../database');
 const user = require('../user');
 const utils = require('../utils');
@@ -90,20 +92,23 @@ module.exports = function (Groups) {
 		});
 	}
 
-	Groups.isInvited = async function (uid, groupName) {
-		if (!(parseInt(uid, 10) > 0)) {
-			return false;
-		}
-		return await db.isSetMember('group:' + groupName + ':invited', uid);
+	Groups.isInvited = async function (uids, groupName) {
+		return await checkInvitePending(uids, 'group:' + groupName + ':invited');
 	};
 
-	Groups.isPending = async function (uid, groupName) {
-		if (!(parseInt(uid, 10) > 0)) {
-			return false;
-		}
-		return await db.isSetMember('group:' + groupName + ':pending', uid);
+	Groups.isPending = async function (uids, groupName) {
+		return await checkInvitePending(uids, 'group:' + groupName + ':pending');
 	};
 
+	async function checkInvitePending(uids, set) {
+		const isArray = Array.isArray(uids);
+		uids = isArray ? uids : [uids];
+		const checkUids = uids.filter(uid => parseInt(uid, 10) > 0);
+		const isMembers = await db.isSetMembers(set, checkUids);
+		const map = _.zipObject(checkUids, isMembers);
+		return isArray ? uids.map(uid => !!map[uid]) : !!map[uids[0]];
+	}
+
 	Groups.getPending = async function (groupName) {
 		if (!groupName) {
 			return [];
diff --git a/test/groups.js b/test/groups.js
index e8c4e3f4a9..7d9315c78e 100644
--- a/test/groups.js
+++ b/test/groups.js
@@ -870,9 +870,9 @@ describe('Groups', function () {
 				assert.ifError(err);
 				socketGroups.issueMassInvite({ uid: adminUid }, { groupName: 'PrivateCanJoin', usernames: 'invite1, invite2' }, function (err) {
 					assert.ifError(err);
-					Groups.isInvited(uid, 'PrivateCanJoin', function (err, isInvited) {
+					Groups.isInvited([adminUid, uid], 'PrivateCanJoin', function (err, isInvited) {
 						assert.ifError(err);
-						assert(isInvited);
+						assert.deepStrictEqual(isInvited, [false, true]);
 						done();
 					});
 				});