diff --git a/Repository/PostRepository.php b/Repository/PostRepository.php
index f09d5b2..90dd36a 100644
--- a/Repository/PostRepository.php
+++ b/Repository/PostRepository.php
@@ -14,10 +14,10 @@ public function searchQuery($options)
         $qb = $this->createQueryBuilder('a');
 
         if ($options['blog_id']) {
-            $qb->where()->descendant('a.' . $options['blog_id']);
+            $qb->where()->descendant($options['blog_id'], 'a');
         }
 
-        $qb->orderBy()->descending()->field('a.date');
+        $qb->orderBy()->desc()->field('a.date');
         return $qb->getQuery();
     }
 
diff --git a/Tagging/PHPCRStringStrategy.php b/Tagging/PHPCRStringStrategy.php
index c5f5338..1fab388 100644
--- a/Tagging/PHPCRStringStrategy.php
+++ b/Tagging/PHPCRStringStrategy.php
@@ -18,7 +18,7 @@ public function getWeightedTags($blogId)
     {
         $qb = $this->postRep->createQueryBuilder('a');
         $qb->select('tags');
-        $qb->where()->descendant('a', $blogId); // select only children of given blog
+        $qb->where()->descendant($blogId, 'a'); // select only children of given blog
         $q = $qb->getQuery();
         $res = $q->getPhpcrNodeResult();
         $rows = $res->getRows();