diff --git a/plugins/xtxpatch/html/admin_menu.html b/plugins/xtxpatch/html/admin_menu.html
index a8f295c..f337e4f 100644
--- a/plugins/xtxpatch/html/admin_menu.html
+++ b/plugins/xtxpatch/html/admin_menu.html
@@ -34,16 +34,16 @@
 	</div>
 
 <!--
+-->
 	<div class="send_email">
-		<input type="checkbox" id="send_email_prof_cipf" name="is_email_prof" <?php if ($email_registration['is_email_prof'] === true) {echo 'checked';} ?> />
+		<input type="checkbox" id="send_email_prof_cipf" name="is_email_prof" <?php if ($option_register_email_value['is_email_prof'] === true) {echo 'checked';} ?> />
 		<label for="send_email_prof_cipf">envoyer un email à l'inscription des profs ?</label>
 	</div>
 
 	<div class="send_email">
-		<input type="checkbox" id="send_email_partner_cipf" name="is_email_partner" <?php if ($email_registration['is_email_partner'] === true) {echo 'checked';} ?> />
+		<input type="checkbox" id="send_email_partner_cipf" name="is_email_partner" <?php if ($option_register_email_value['is_email_partner'] === true) {echo 'checked';} ?> />
 		<label for="send_email_partner_cipf">envoyer un email à l'inscription des partenaires ?</label>
 	</div>
--->
 
 	<input type="submit" value="send"/>
 </form>
diff --git a/plugins/xtxpatch/php/classes/plgntls_class.php b/plugins/xtxpatch/php/classes/plgntls_class.php
index 0d6887b..f285edf 100644
--- a/plugins/xtxpatch/php/classes/plgntls_class.php
+++ b/plugins/xtxpatch/php/classes/plgntls_class.php
@@ -329,7 +329,6 @@ class Plgntls_xtx {
 		$function = $trace[1]['function'];
 		$file = $trace[0]['file'];
 		$line = $trace[0]['line'];
-		error_log("-debug: function '".$function."' (in ".$file.", line ".$line .')');
 	}
 
 
@@ -1086,7 +1085,6 @@ class Plgntls_xtx {
 		*
 		*/
 		$option_data = get_option($option_name);
-error_log("get option safe: " . json_encode($option_data));
 		$false_serialized = serialize(false);
 		$option_unserialized = @unserialize($option_data);
 		if ($option_unserialized === false && $option_data != $false_serialized) {
@@ -1096,12 +1094,10 @@ error_log("get option safe: " . json_encode($option_data));
 			$ret_option = $option_unserialized;
 		}
 
-error_log("get option safe: " . json_encode($ret_option));
 		return $ret_option;
 	}
 
 	public static function update_option_safe($option, $option_data) {
-error_log("- inside update option safe");
 		/*
 		* first init option, in case it was not already
 		* it will returns the option name or false
@@ -1112,12 +1108,10 @@ error_log("- inside update option safe");
 		if (false === $option_name) {
 			return;
 		}
-error_log("update option safe: " . json_encode($option_data));
 
 		if (!is_string($option_data)) {
 			$option_data = serialize($option_data);
 		}
-error_log("update option safe: " . json_encode($option_data));
 		update_option($option_name, $option_data);
 	}
 
diff --git a/plugins/xtxpatch/php/classes/xtxpatch_class.php b/plugins/xtxpatch/php/classes/xtxpatch_class.php
index 2c3e23a..e997430 100644
--- a/plugins/xtxpatch/php/classes/xtxpatch_class.php
+++ b/plugins/xtxpatch/php/classes/xtxpatch_class.php
@@ -18,6 +18,7 @@ if (!defined('ABSPATH')) {
 class Xtxpatch {
 	const OPTION_REGISTER_EMAIL = [
 		'_name'=>'define_email_at_register_xtxpatch',
+		'_callback'=>__NAMESPACE__.'\define_register_email',
 		'_default'=>[
 			'email'=>
 'Bonjour,
diff --git a/plugins/xtxpatch/php/menu/admin_menu.php b/plugins/xtxpatch/php/menu/admin_menu.php
index 0755b1c..28ef171 100644
--- a/plugins/xtxpatch/php/menu/admin_menu.php
+++ b/plugins/xtxpatch/php/menu/admin_menu.php
@@ -46,6 +46,42 @@ function menu_content() {
 
 
 
+function define_register_email($request, $option_name, $option_value, $option_default) {
+	/*
+	* email
+	*
+	*/
+	$email = '';
+	if (isset($request['email'])) {
+		$email = $request['email'];
+	}
+
+	/*
+	* is email ?
+	*
+	*/
+	$is_email_prof = false;
+	if (isset($request['is_email_prof']) && $request['is_email_prof'] === 'on') {
+		$is_email_prof = true;
+	}
+	$is_email_partner = false;
+	if (isset($request['is_email_partner']) && $request['is_email_partner'] === 'on') {
+		$is_email_partner = true;
+	}
+
+
+	/*
+	* update the option with new values
+	*
+	*/
+	$option_data = array(
+		'email' => $email,
+		'is_email_prof' => $is_email_prof,
+		'is_email_partner' => $is_email_partner,
+	);
+	\Plgntls_xtx::update_option_safe($option_name, $option_data);
+}
+