diff --git a/apps/user_ldap/lib/user/manager.php b/apps/user_ldap/lib/user/manager.php
index 6c635518d95552f945ee3b11c38194251dc16e8c..0f17900b5f3e47bf96658213e7e05307c6d56b6e 100644
--- a/apps/user_ldap/lib/user/manager.php
+++ b/apps/user_ldap/lib/user/manager.php
@@ -143,7 +143,8 @@ class Manager {
 			return $this->users['byUid'][$id];
 		}
 
-		if(strpos(mb_strtolower($id, 'UTF-8'), 'dc=') === false) {
+		if(strpos(mb_strtolower($id, 'UTF-8'), 'dc=') === false
+		   && strpos(mb_strtolower($id, 'UTF-8'), 'uid=') === false ) {
 			//most likely a uid
 			$dn = $this->access->username2dn($id);
 			if($dn !== false) {