diff --git a/assets/css/style.css b/assets/css/style.css
index 7909370..bce2245 100644
--- a/assets/css/style.css
+++ b/assets/css/style.css
@@ -907,6 +907,7 @@ hr.-even {
     height: 12em;
 }
 
+.contact_form__subject,
 .contact_form__message,
 .contact_form__name,
 .contact_form__email,
diff --git a/assets/js/contact_form.js b/assets/js/contact_form.js
index fb0844b..fcd7540 100644
--- a/assets/js/contact_form.js
+++ b/assets/js/contact_form.js
@@ -1,6 +1,7 @@
 const ajaxUrl = 'https://spielwiese.wtf-eg.de/php/contact_form.php';
 // const submit_button = document.getElementsByClassName('contact_form__submit_button')[0];
 const contact_form = document.getElementsByClassName('content__contact_form')[0];
+const subject = document.getElementsByClassName('contact_form__subject')[0];
 const message = document.getElementsByClassName('contact_form__message')[0];
 const name = document.getElementsByClassName('contact_form__name')[0];
 const email = document.getElementsByClassName('contact_form__email')[0];
@@ -26,6 +27,7 @@ contact_form.addEventListener('submit', function(event) {
     event.preventDefault();
     let formData = new FormData();
     formData.append('action', 'handle_form');
+    formData.append('subject', subject.value);
     formData.append('message', message.value);
     formData.append('name', name.value);
     formData.append('email', email.value);
diff --git a/assets/php/contact_form.php b/assets/php/contact_form.php
index 205c11b..88d2497 100644
--- a/assets/php/contact_form.php
+++ b/assets/php/contact_form.php
@@ -63,11 +63,12 @@ function prepare_response() {
         $response['errors'][] = 'Wir glauben du bist ein Bot.';
     }
     if (!array_key_exists('errors', $response)) {
+        $subject = sanitize_text('subject');
         $message = sanitize_text('message');
         $name = sanitize_text('name');
         $email = sanitize_text('email');
 
-        if (!send_message_to_office($message, $name, $email)) {
+        if (!send_message_to_office($subject, $message, $name, $email)) {
             $response['errors'][] = 'Deine Nachricht konnte nicht übermittelt werden.';
         } else {
             $response['status'] = 'ok';
diff --git a/templates/contact_page.html b/templates/contact_page.html
index 0e128ce..f90a682 100644
--- a/templates/contact_page.html
+++ b/templates/contact_page.html
@@ -25,6 +25,10 @@
                   Deine E-Mail-Adresse wird nicht veröffentlicht.<br>
                   <span aria-hidden="true">Erforderliche Felder sind gekennzeichnet <span class="contact_form--required" aria-hidden="true">*</span></span>
                 </p>
+                <p class="contact_form__text_input">
+                  <label for="name">Betreff <span class="contact_form--required" aria-hidden="true">*</span></label>
+                  <input id="name" class="contact_form__subject" name="subject" type="text" value="" size="30" maxlength="245" required />
+                </p>
                 <p class="contact_form__textarea">
                   <label for="message">Nachricht <span class="contact_form--required" aria-hidden="true">*</span></label>
                   <textarea id="message" class="contact_form__message" aria-label="message" aria-hidden="true" cols="65" rows="7" name="message" required></textarea>