diff --git a/htdocs/adherents/class/adherent.class.php b/htdocs/adherents/class/adherent.class.php
index 7da7854d22f..1dde1971b0f 100644
--- a/htdocs/adherents/class/adherent.class.php
+++ b/htdocs/adherents/class/adherent.class.php
@@ -178,6 +178,11 @@ class Adherent extends CommonObject
 	 */
 	public $phone_perso;
 
+	/**
+	 * @var string Professional Phone number
+	 */
+	public $phone_pro;
+
 	/**
 	 * @var string Mobile phone number
 	 */