diff --git a/htdocs/core/class/html.form.class.php b/htdocs/core/class/html.form.class.php
index 00184499a9f..03e339eebf4 100644
--- a/htdocs/core/class/html.form.class.php
+++ b/htdocs/core/class/html.form.class.php
@@ -3722,6 +3722,7 @@ class Form
 	function form_confirm($page, $title, $question, $action, $formquestion='', $selectedchoice="", $useajax=0, $height=170, $width=500)
 	{
         // phpcs:enable
+        dol_syslog(__METHOD__ . ': using form_confirm is deprecated. Use formconfim instead.', LOG_WARNING);
 		print $this->formconfirm($page, $title, $question, $action, $formquestion, $selectedchoice, $useajax, $height, $width);
 	}