diff --git a/ls_answ/ls_answ.module b/ls_answ/ls_answ.module
index b6ca1bb..99a5192 100644
--- a/ls_answ/ls_answ.module
+++ b/ls_answ/ls_answ.module
@@ -687,7 +687,7 @@ function ls_answ_node_presave($node) {
     // Search for an available old node to be recycled.
     $time = REQUEST_TIME;
     $expire_date = $time - $options['ls_validuntil'];
-    $recyclable_query = db_query("SELECT node_nid AS n.nid FROM {node} n
+    $recyclable_query = db_query("SELECT n.nid AS node_nid FROM {node} n
       JOIN {node_revision} node_revision ON n.nid = node_revision.nid AND n.vid = node_revision.vid
       JOIN {ls_answ} lsa ON lsa.nid = node_revision.nid AND lsa.vid = node_revision.vid
       WHERE n.type = :ntype AND ls_status = :ls_status AND ls_sync = :ls_sync AND ls_last_import < :ls_last_import