diff --git a/htdocs/core/ajax/onlineSign.php b/htdocs/core/ajax/onlineSign.php
index 67c3c989a3a..3ec4cfa0f20 100644
--- a/htdocs/core/ajax/onlineSign.php
+++ b/htdocs/core/ajax/onlineSign.php
@@ -212,6 +212,15 @@ if ($action == "importSignature") {
 					$db->commit();
 					$response = "success";
 					setEventMessages("PropalSigned", null, 'warnings');
+					if (method_exists($object, 'call_trigger')) {
+						//customer is not a user !?! so could we use same user as validation ?
+						$user = new User($db);
+						$user->fetch($object->user_valid_id);
+						$result = $object->call_trigger('PROPAL_CLOSE_SIGNED', $user);
+						if ($result < 0) {
+							$error++;
+						}
+					}
 				} else {
 					$db->rollback();
 					$error++;
diff --git a/htdocs/public/onlinesign/newonlinesign.php b/htdocs/public/onlinesign/newonlinesign.php
index a3ad1eaf645..1d90339a0ac 100644
--- a/htdocs/public/onlinesign/newonlinesign.php
+++ b/htdocs/public/onlinesign/newonlinesign.php
@@ -168,6 +168,15 @@ if ($action == 'confirm_refusepropal' && $confirm == 'yes') {
 
 		$message = 'refused';
 		setEventMessages("PropalRefused", null, 'warnings');
+		if (method_exists($object, 'call_trigger')) {
+			//customer is not a user !?! so could we use same user as validation ?
+			$user = new User($db);
+			$user->fetch($object->user_valid_id);
+			$result = $object->call_trigger('PROPAL_CLOSE_REFUSED', $user);
+			if ($result < 0) {
+				$error++;
+			}
+		}
 	} else {
 		$db->rollback();
 	}
@@ -459,6 +468,7 @@ if ($action == "dosign" && empty($cancel)) {
 			print '<br>';
 			if ($message == 'refused') {
 				print '<span class="ok">'.$langs->trans("PropalRefused").'</span>';
+
 			} else {
 				print '<span class="warning">'.$langs->trans("PropalAlreadyRefused").'</span>';
 			}