diff --git a/htdocs/comm/propal/card.php b/htdocs/comm/propal/card.php
index cd80e636a3e01..e8123d965bd3d 100644
--- a/htdocs/comm/propal/card.php
+++ b/htdocs/comm/propal/card.php
@@ -2008,7 +2008,8 @@
 			$sday = date("d", $tmpdte);
 			print $form->selectDate($syear."-".$smonth."-".$sday, 'date_livraison', '', '', '', "addprop");
 		} else {
-			print $form->selectDate(-1, 'date_livraison', '', '', '', "addprop", 1, 1);
+			$tmp_date_start = GETPOST('date_start') ? : -1;
+			print $form->selectDate($tmp_date_start, 'date_livraison', '', '', '', "addprop", 1, 1);
 		}
 		print '</td></tr>';