diff --git a/htdocs/holiday/month_report.php b/htdocs/holiday/month_report.php
index 0444157704b..b71bea7bd34 100644
--- a/htdocs/holiday/month_report.php
+++ b/htdocs/holiday/month_report.php
@@ -84,7 +84,12 @@ $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."user u ON cp.fk_user = u.rowid";
 $sql .= " LEFT JOIN ".MAIN_DB_PREFIX."c_holiday_types ct ON cp.fk_type = ct.rowid";
 $sql .= " WHERE cp.rowid > 0";
 $sql .= " AND cp.statut = 3"; // Approved
-$sql .= " AND (date_format(cp.date_debut, '%Y-%m') = '".$db->escape($year_month)."' OR date_format(cp.date_fin, '%Y-%m') = '".$db->escape($year_month)."')";
+$sql .= " AND (";
+$sql .= " (date_format(cp.date_debut, '%Y-%m') = '".$db->escape($year_month)."' OR date_format(cp.date_fin, '%Y-%m') = '".$db->escape($year_month)."')";
+$sql .= " OR";
+// For work leave over several months
+$sql .= " (date_format(cp.date_debut, '%Y-%m') < '".$db->escape($year_month)."' AND date_format(cp.date_fin, '%Y-%m') > '".$db->escape($year_month)."') ";
+$sql .= " )";
 $sql .= " ORDER BY u.lastname, cp.date_debut";
 
 $resql = $db->query($sql);