diff --git a/templates/contact.html b/templates/contact.html
index b65103d..23ac35e 100644
--- a/templates/contact.html
+++ b/templates/contact.html
@@ -59,6 +59,9 @@
                 </div>
                 </div>
               </div>
+
+              <!-- attachment placeholder -->
+              <input type="file" id="attachment" name="attachment" style="display: none;">
          </form>
          <div class="text-center text-md-left mt-4">
            <a class="btn btn-light w-50" onclick="submitContactForm()">Absenden</a>