diff --git a/ajax/otpoll.php b/ajax/otpoll.php
index 96564df3..65853472 100644
--- a/ajax/otpoll.php
+++ b/ajax/otpoll.php
@@ -85,6 +85,11 @@ try{
 				$hasOps = is_array($ops) && count($ops)>0;
 
 				$currentHead = OCA\Office\Op::getHeadSeq($esId);
+				try {
+					OCA\Office\Member::updateMemberActivity($memberId);
+				} catch (\Exception $e){
+					
+				}
 
 				// TODO handle the case ($currentHead == "") && ($seqHead != "")
 				if ($seqHead == $currentHead) {
diff --git a/lib/member.php b/lib/member.php
index 8eb2be7d..f32df6ea 100644
--- a/lib/member.php
+++ b/lib/member.php
@@ -46,6 +46,14 @@ class Member {
 		$result = $query->execute(array($ids));
 		return $result->fetchAll();
 	}
+	
+	public static function updateMemberActivity($memberId){
+		$query = \OCP\DB::prepare('UPDATE `*PREFIX*office_member`  SET `last_activity`=? WHERE `member_id`=?');
+		$query->execute(array(
+			time(),
+			$memberId
+		));
+	}
 
 	public static function getMembersByEsId($esId, $lastActivity = null){
 		if (is_null($lastActivity)){