diff --git a/src/_includes/macros/form.njk b/src/_includes/macros/form.njk
index 88bbd30..43b968b 100644
--- a/src/_includes/macros/form.njk
+++ b/src/_includes/macros/form.njk
@@ -142,7 +142,7 @@
           {% if option.value %}
             <label for="field-{{ name }}-{{ option.value }}">
               <input type="checkbox"
-                    name="{{ name }}[]"
+                    name="{{ name }}"
                     id="field-{{ name }}-{{ option.value }}"
                     value="{{ option.value }}"
                     {% if option.note %}aria-describedby="description-{{ name }}-{{ option.value }}"{% endif %}
@@ -150,7 +150,7 @@
           {% else %}
             <label for="field-{{ name }}-{{ option }}">
               <input type="checkbox"
-                    name="{{ name }}[]"
+                    name="{{ name }}"
                     id="field-{{ name }}-{{ option }}"
                     value="{{ option }}"
                     >{{ option }}</label>
diff --git a/src/_includes/partials/components/contact-form.njk b/src/_includes/partials/components/contact-form.njk
index 1a7915c..01dcccc 100644
--- a/src/_includes/partials/components/contact-form.njk
+++ b/src/_includes/partials/components/contact-form.njk
@@ -31,9 +31,9 @@
           {{ label("Votre message", "message") }}
           {{ textarea( "message", { required: true, autocapitalize: "sentences", spellcheck: "true" } ) }}
         </li>
-        {# <li class="[ field-list__field-group ] [ full-width ]">
-          {{ checkboxes("", "field-checkbox-name", [ "Je souhaite être tenu au courant de l’actualité Astrolabe"], { description: "" } ) }}
-        </li> #}
+        <li class="[ field-list__field-group ] [ full-width ]">
+          {{ checkboxes("", "subscribe", [ "Je souhaite être tenu au courant de l’actualité Astrolabe"], { description: "" } ) }}
+        </li>
         {# <li hidden>
           <label>Don’t fill this out if you're human: <input name="bot-field" /></label>
         </li> #}
diff --git a/src/form/contact-form-handler.php b/src/form/contact-form-handler.php
index 512e5eb..ae9b34d 100644
--- a/src/form/contact-form-handler.php
+++ b/src/form/contact-form-handler.php
@@ -10,6 +10,7 @@
 	$emailAddress = $_POST['email'];
 	$select = $_POST['select'];
 	$message = $_POST['message'];
+	$subscribe = $_POST['subscribe'];
 
 	if (!filter_var($emailAddress, FILTER_VALIDATE_EMAIL)) {
 		$errors .= "\n Error: Invalid email address $emailAddress";
@@ -53,6 +54,11 @@
 		
 		// send the email
 		mail($to, $emailSubject, $emailBodyHTML, implode("\r\n", $headers));
+
+		// if subscribe add to mailing list
+		if(!empty($subscribe)) {
+			// process
+		}
 		
 		// redirect to the 'thank you' page
 		header("Location: /thank-you/index.html");