diff --git a/lib/functions/testsuite.class.php b/lib/functions/testsuite.class.php
index e55ca6d5c3..958a061eaf 100644
--- a/lib/functions/testsuite.class.php
+++ b/lib/functions/testsuite.class.php
@@ -878,7 +878,7 @@ function get_testcases_deep($id, $details = 'simple', $options=null) {
       $rs=array();
       foreach($testcases as $idx => $value)
       {
-        $item=$tcase_mgr->get_last_version_info($value['id'],array('output' => full, 'get_steps' => true));
+        $item=$tcase_mgr->get_last_version_info($value['id'],array('output' => 'full', 'get_steps' => true));
         $item['tcversion_id']=$item['id'];
         $tsuite['tsuite_name']=$parentNodes[$value['parent_id']]['name'];
 
@@ -940,7 +940,7 @@ function get_children_testcases($id, $details = 'simple', $options=null) {
       $tcase_mgr = new testcase($this->db);
       foreach($testcases as $idx => $value)
       {
-        $item=$tcase_mgr->get_last_version_info($value['id'],array('output' => full, 'get_steps' => true));
+        $item=$tcase_mgr->get_last_version_info($value['id'],array('output' => 'full', 'get_steps' => true));
         $item['tcversion_id']=$item['id'];
         $parent['tsuite_name']=$tsuiteName;