diff --git a/src/app/frontend/views/index.php b/src/app/frontend/views/index.php
index 30eabac..d53eff4 100644
--- a/src/app/frontend/views/index.php
+++ b/src/app/frontend/views/index.php
@@ -256,7 +256,7 @@ $page_title = isset( $page_title ) && !empty( $page_title ) ? $page_title : '';
                 <p class="up-text"><?= $t->_("popup-main2")?></p>
                 <form method="post" class="deliver-form" action="./popup/">
                     <input type="text" name="username" placeholder="<?= $t->_("popup-main3")?>">
-                    <input type="email" name="email" placeholder="Email">
+                    <input type="email" name="email" required placeholder="Email">
                     <button type="submit" class="submit-delivery-but"><?= $t->_("popup-main4")?></button>
                 </form>
                 <p class="footer-text"><?= $t->_("popup-main5")?></p>
--
libgit2 0.21.4