diff --git a/htdocs/societe/contact.php b/htdocs/societe/contact.php
index aef9f81df6452..fd56f6156277b 100644
--- a/htdocs/societe/contact.php
+++ b/htdocs/societe/contact.php
@@ -141,7 +141,7 @@
 		$contact = new Contact($db);
 
 		$result = $contact->fetch($id);
-		$contact->oldcopy = clone $contact;
+		$contact->oldcopy = clone $contact; // @phan-suppress-currentline PhanTypeMismatchProperty
 
 		$result = $contact->delete($user);