diff --git a/api/src/Contacts/Ads.php b/api/src/Contacts/Ads.php
index 69d402e67f..4bb2202c8f 100644
--- a/api/src/Contacts/Ads.php
+++ b/api/src/Contacts/Ads.php
@@ -104,6 +104,7 @@ class Ads extends Ldap
 
 		// get filter for accounts (incl. additional filter from setup)
 		$this->accountsFilter = $this->accounts_ads->type_filter('u', true);
+		$this->contactsFilter = "(|(objectclass=contact)$this->accountsFilter)";
 
 		if ($ds)
 		{
diff --git a/api/src/Contacts/Ldap.php b/api/src/Contacts/Ldap.php
index f475de51ba..a1c93e955d 100644
--- a/api/src/Contacts/Ldap.php
+++ b/api/src/Contacts/Ldap.php
@@ -77,6 +77,12 @@ class Ldap
 	 */
 	var $accountsFilter = '(objectclass=posixaccount)';
 
+	/**
+	 * Filter used for all addressbooks
+	 * @var string
+	 */
+	var $contactsFilter = '(objectclass=inetorgperson)';
+
 	/**
 	* @var string $allContactsDN holds the base DN of all addressbook
 	*/
@@ -832,7 +838,7 @@ class Ldap
 				$objectFilter = $this->accountsFilter;
 				break;
 			default:
-				$objectFilter = '(objectclass=inetorgperson)';
+				$objectFilter = $this->contactsFilter;
 				break;
 		}
 		// exclude expired accounts