diff --git a/module/block/zen.php b/module/block/zen.php
index 3f32959e82..cf63bc37f8 100644
--- a/module/block/zen.php
+++ b/module/block/zen.php
@@ -621,7 +621,7 @@ class blockZen extends block
         $this->view->projects  = $this->loadModel('project')->getPairsByProgram();
         $this->view->testtasks = $this->dao->select("DISTINCT t1.*,t2.name as productName,t2.shadow,t3.name as buildName,t4.name as projectName, CONCAT(t4.name, '/', t3.name) as executionBuild")->from(TABLE_TESTTASK)->alias('t1')
             ->leftJoin(TABLE_PRODUCT)->alias('t2')->on('t1.product=t2.id')
-            ->leftJoin(TABLE_BUILD)->alias('t3')->on('t1.build=CAST(t3.id AS CHAR)')
+            ->leftJoin(TABLE_BUILD)->alias('t3')->on('t1.build=t3.id')
             ->leftJoin(TABLE_PROJECT)->alias('t4')->on('t1.execution=t4.id')
             ->leftJoin(TABLE_PROJECTPRODUCT)->alias('t5')->on('t1.execution=t5.project')
             ->where('t1.deleted')->eq('0')
@@ -1572,7 +1572,7 @@ class blockZen extends block
         $this->view->project   = $this->loadModel('project')->getByID($this->session->project);
         $this->view->testtasks = $this->dao->select("DISTINCT t1.*,t2.name as productName,t2.shadow,t3.name as buildName,t4.name as executionName, CONCAT(t4.name, '/', t3.name) as executionBuild")->from(TABLE_TESTTASK)->alias('t1')
             ->leftJoin(TABLE_PRODUCT)->alias('t2')->on('t1.product=t2.id')
-            ->leftJoin(TABLE_BUILD)->alias('t3')->on('t1.build=CAST(t3.id AS CHAR)')
+            ->leftJoin(TABLE_BUILD)->alias('t3')->on('t1.build=t3.id')
             ->leftJoin(TABLE_PROJECT)->alias('t4')->on('t1.execution=t4.id')
             ->leftJoin(TABLE_PROJECTPRODUCT)->alias('t5')->on('t1.project=t5.project')
             ->where('t1.deleted')->eq('0')