diff --git a/lib/db.php b/lib/db.php
index d67cebce5890993a58508fa39ceee52e8f80c0e5..5ef67202a1085515ea7fbdf784a45fb41fe7ba41 100644
--- a/lib/db.php
+++ b/lib/db.php
@@ -263,7 +263,7 @@ class OC_DB {
 	 */
 	static public function prepare( $query , $limit=null, $offset=null ){
 		
-		if (!is_null($limit) && limit != -1) {
+		if (!is_null($limit) && $limit != -1) {
 			if (self::$backend == self::BACKEND_MDB2) {
 				//MDB2 uses or emulates limits & offset internally
 				self::$MDB2->setLimit($limit, $offset);