diff --git a/htdocs/comm/action/class/actioncomm.class.php b/htdocs/comm/action/class/actioncomm.class.php
index c6c0d277edd..bbf86d87c59 100644
--- a/htdocs/comm/action/class/actioncomm.class.php
+++ b/htdocs/comm/action/class/actioncomm.class.php
@@ -261,7 +261,7 @@ class ActionComm extends CommonObject
 	/**
 	 * @var int socpeople id linked to action
 	 */
-	public $contactid;
+	public $contact_id;
 
 	/**
 	 * @var Societe|null Company linked to action (optional)
@@ -273,7 +273,7 @@ class ActionComm extends CommonObject
 	/**
 	 * @var Contact|null Contact linked to action (optional)
 	 * @deprecated
-	 * @see $contactid
+	 * @see $contact_id
 	 */
 	public $contact;