diff --git a/htdocs/comm/propal.php b/htdocs/comm/propal.php
index f57778a42a4..a4d984951cd 100644
--- a/htdocs/comm/propal.php
+++ b/htdocs/comm/propal.php
@@ -195,7 +195,8 @@ else if ($action == 'confirm_validate' && $confirm == 'yes' && $user->rights->pr
 	else
 	{
 		$langs->load("errors");
-		setEventMessage($langs->trans($object->error), 'errors');
+		if (count($object->errors) > 0) setEventMessage($object->errors, 'errors');
+		else setEventMessage($langs->trans($object->error), 'errors');
 	}
 }