diff --git a/htdocs/core/class/commonobject.class.php b/htdocs/core/class/commonobject.class.php
index 6804a0ec13b..502d14be39c 100644
--- a/htdocs/core/class/commonobject.class.php
+++ b/htdocs/core/class/commonobject.class.php
@@ -8542,6 +8542,7 @@ abstract class CommonObject
 				// Retrieve all extrafield
 				// fetch optionals attributes and labels
 				$this->fetch_optionals();
+				dol_syslog("aaa=".$this->id);
 
 				return $this->id;
 			} else {
diff --git a/test/phpunit/KnowledgeRecordTest.php b/test/phpunit/KnowledgeRecordTest.php
index ba0d24c854a..0122d8a8e6b 100644
--- a/test/phpunit/KnowledgeRecordTest.php
+++ b/test/phpunit/KnowledgeRecordTest.php
@@ -184,8 +184,9 @@ class KnowledgeRecordTest extends \PHPUnit\Framework\TestCase
 		$db = $this->savdb;
 
 		$localobject = new KnowledgeRecord($this->savdb);
+		print __METHOD__." id=".$id."\n";
 		$result = $localobject->fetch($id);
-		print __METHOD__." id=".$id." result=".$result."\n";
+		print __METHOD__." result=".$result."\n";
 		$this->assertGreaterThanOrEqual(0, $result, 'fetch in testKnowledgeRecordDelete with id='.$id);
 
 		$result = $localobject->delete($user);