diff --git a/htdocs/expensereport/class/expensereport.class.php b/htdocs/expensereport/class/expensereport.class.php
index b9e60ed50d5..14d3c8fc178 100644
--- a/htdocs/expensereport/class/expensereport.class.php
+++ b/htdocs/expensereport/class/expensereport.class.php
@@ -2123,7 +2123,7 @@ class ExpenseReport extends CommonObject
         $sql = "SELECT DISTINCT ur.fk_user";
         $sql.= " FROM ".MAIN_DB_PREFIX."user_rights as ur, ".MAIN_DB_PREFIX."rights_def as rd";
         $sql.= " WHERE ur.fk_id = rd.id and rd.module = 'expensereport' AND rd.perms = 'approve'";                                              // Permission 'Approve';
-        $sql.= "UNION";
+        $sql.= " UNION";
         $sql.= " SELECT DISTINCT ugu.fk_user";
         $sql.= " FROM ".MAIN_DB_PREFIX."usergroup_user as ugu, ".MAIN_DB_PREFIX."usergroup_rights as ur, ".MAIN_DB_PREFIX."rights_def as rd";
         $sql.= " WHERE ugu.fk_usergroup = ur.fk_usergroup AND ur.fk_id = rd.id and rd.module = 'expensereport' AND rd.perms = 'approve'";       // Permission 'Approve';