diff --git a/api/src/Accounts/Ads.php b/api/src/Accounts/Ads.php
index c3f7bceca4..e8420a0c8f 100644
--- a/api/src/Accounts/Ads.php
+++ b/api/src/Accounts/Ads.php
@@ -228,7 +228,7 @@ class Ads
 	 * @param int $account_id
 	 * @return string|NULL
 	 */
-	protected function get_sid($account_id=null)
+	public function get_sid($account_id=null)
 	{
 		static $domain_sid = null;
 		if (!isset($domain_sid))
diff --git a/api/src/Contacts/Ads.php b/api/src/Contacts/Ads.php
index 733cd2e820..22cef304b6 100644
--- a/api/src/Contacts/Ads.php
+++ b/api/src/Contacts/Ads.php
@@ -171,6 +171,31 @@ class Ads extends Ldap
 		return '(objectguid='.($this->is_samba4 ? $contact_id : $this->accounts_ads->objectguid2hex($contact_id)).')';
 	}
 
+	/**
+	 * Return LDAP filter for (multiple) account ids
+	 *
+	 * @param int|int[]|null $ids
+	 * @return string
+	 */
+	protected function account_ids_filter($ids)
+	{
+		$filter = '';
+		if (is_null($ids))
+		{
+			$filter = '(!(objectsid=*))';
+		}
+		elseif ($ids)
+		{
+			if (is_array($ids)) $filter = '(|';
+			foreach((array)$ids as $account_id)
+			{
+				$filter .= '(objectsid='.$this->accounts_ads->get_sid($account_id).')';
+			}
+			if (is_array($ids)) $filter .= ')';
+		}
+		return $filter;
+	}
+
 	/**
 	 * Reads contact data
 	 *
@@ -202,7 +227,7 @@ class Ads extends Ldap
 	}
 
 	/**
-	 * Special handling for mapping data of ADA user objectclass to eGW contact
+	 * Special handling for mapping data of ADS user objectclass to eGW contact
 	 *
 	 * Please note: all regular fields are already copied!
 	 *
diff --git a/api/src/Contacts/Ldap.php b/api/src/Contacts/Ldap.php
index 9598a69c95..a870671190 100644
--- a/api/src/Contacts/Ldap.php
+++ b/api/src/Contacts/Ldap.php
@@ -480,6 +480,29 @@ class Ldap
 		return '(|'.implode('', $filter).')';
 	}
 
+	/**
+	 * Return LDAP filter for (multiple) account ids
+	 *
+	 * @param int|int[]|null $ids
+	 * @return string
+	 */
+	protected function account_ids_filter($ids)
+	{
+		$filter = '';
+		if (is_null($ids))
+		{
+			$filter = '(!(uidNumber=*))';
+		}
+		elseif ($ids)
+		{
+			$filter = $this->ids_filter(array_map(static function($account_id)
+			{
+				return $GLOBALS['egw']->accounts->id2name($account_id, 'person_id');
+			}, (array)$ids));
+		}
+		return $filter;
+	}
+
 	/**
 	 * reads contact data
 	 *
@@ -1030,19 +1053,7 @@ class Ldap
 					break;
 
 				case 'account_id':
-					if (is_null($value))
-					{
-						$filters .= '(!(uidNumber=*))';
-					}
-					elseif ($value)
-					{
-						if (is_array($value)) $filters .= '(|';
-						foreach((array)$value as $val)
-						{
-							$filters .= '(uidNumber='.(int)$val.')';
-						}
-						if (is_array($value)) $filters .= ')';
-					}
+					$filters .= $this->account_ids_filter($value);
 					break;
 
 				case 'cat_id':