diff --git a/htdocs/holiday/class/holiday.class.php b/htdocs/holiday/class/holiday.class.php
index 66a118c744b..0c058313ad6 100644
--- a/htdocs/holiday/class/holiday.class.php
+++ b/htdocs/holiday/class/holiday.class.php
@@ -1712,7 +1712,7 @@ class Holiday extends CommonObject
 				// We want only list of vacation balance for user ids
 				$sql = "SELECT DISTINCT cpu.fk_user";
 				$sql.= " FROM ".MAIN_DB_PREFIX."holiday_users as cpu, ".MAIN_DB_PREFIX."user as u";
-				$sql.= " WHERE cpu.fk_user = u.user";
+				$sql.= " WHERE cpu.fk_user = u.rowid";
 				if ($filters) $sql.=$filters;
 
 				$resql=$this->db->query($sql);
diff --git a/test/phpunit/HolidayTest.php b/test/phpunit/HolidayTest.php
index ce3312ba441..190496cf5bf 100644
--- a/test/phpunit/HolidayTest.php
+++ b/test/phpunit/HolidayTest.php
@@ -247,21 +247,17 @@ class HolidayTest extends PHPUnit\Framework\TestCase
         $langs=$this->savlangs;
         $db=$this->savdb;
 
-        //$localobject->fetch($localobject->id);
+        $result = $localobject->fetchUsers(true, true, '');
+        $this->assertNotEquals($result, -1);
 
-        /*
-        $result=$localobject->getNomUrl(1);
-        print __METHOD__." id=".$localobject->id." result=".$result."\n";
-        $this->assertNotEquals($result, '');
+        $result = $localobject->fetchUsers(true, false, '');
+        $this->assertNotEquals($result, -1);
 
-        $result=$localobject->getFullAddress(1);
-        print __METHOD__." id=".$localobject->id." result=".$result."\n";
-        $this->assertContains("New address\nNew zip New town\nBelgium", $result);
+        $result = $localobject->fetchUsers(false, true, '');
+        $this->assertNotEquals($result, -1);
 
-        $localobject->info($localobject->id);
-        print __METHOD__." localobject->date_creation=".$localobject->date_creation."\n";
-        $this->assertNotEquals($localobject->date_creation, '');
-        */
+        $result = $localobject->fetchUsers(false, false, '');
+        $this->assertNotEquals($result, -1);
 
         return $localobject->id;
     }