diff --git a/htdocs/hrm/evaluation_card.php b/htdocs/hrm/evaluation_card.php
index 75c66ca3069..72ed1761947 100644
--- a/htdocs/hrm/evaluation_card.php
+++ b/htdocs/hrm/evaluation_card.php
@@ -581,7 +581,7 @@ if ($object->id > 0 && (empty($action) || ($action != 'edit' && $action != 'crea
 		$sql .= '  INNER JOIN ' . MAIN_DB_PREFIX . 'hrm_skilldet as skdet_user ON (skdet_user.fk_skill = sk.rowid AND skdet_user.rank = ed.rank)';
 		//$sql .= "  LEFT JOIN " . MAIN_DB_PREFIX . "hrm_skillrank as skr ON (j.rowid = skr.fk_object AND skr.fk_skill = ed.fk_skill AND skr.objecttype = 'job')";
 		$sql .= '  LEFT JOIN ' . MAIN_DB_PREFIX . 'hrm_skilldet as skdet_required ON (skdet_required.fk_skill = sk.rowid AND skdet_required.rank = ed.required_rank)';
-		$sql .= " WHERE e.rowid =" . $object->id;
+		$sql .= " WHERE e.rowid =" . ((int) $object->id);
 
 		//      echo $sql;