diff --git a/admin/install.php b/admin/install.php
index ee9edd3..edb5fdb 100644
--- a/admin/install.php
+++ b/admin/install.php
@@ -29,6 +29,7 @@ if (is_file(CONF_FILENAME)) {
 
 $error = null;
 $installService = new InstallService();
+$result['details'] = null;
 
 if (!empty($_POST)) {
     $installService->updateFields($_POST);
diff --git a/create_poll.php b/create_poll.php
index 4b269dc..d70f140 100644
--- a/create_poll.php
+++ b/create_poll.php
@@ -96,7 +96,6 @@ if ($goToStep2) {
     $form->receiveNewVotes = $receiveNewVotes;
     $form->receiveNewComments = $receiveNewComments;
     $form->hidden = $hidden;
-    $form->collect_users_mail = $collect_users_mail;
     $form->use_password = ($use_password !== null);
     $form->results_publicly_visible = ($results_publicly_visible !== null);
 
@@ -298,7 +297,6 @@ $smarty->assign('customized_url', Utils::fromPostOrDefault('customized_url', $fo
 $smarty->assign('use_customized_url', Utils::fromPostOrDefault('use_customized_url', $form->use_customized_url));
 $smarty->assign('ValueMax', Utils::fromPostOrDefault('ValueMax', $form->ValueMax));
 $smarty->assign('use_ValueMax', Utils::fromPostOrDefault('use_ValueMax', $form->use_ValueMax));
-$smarty->assign('collect_users_mail', Utils::fromPostOrDefault('collect_users_mail', $form->collect_users_mail));
 $smarty->assign('poll_description', !empty($_POST['description']) ? $_POST['description'] :  $form->description);
 $smarty->assign('poll_name', Utils::fromPostOrDefault('name', $form->admin_name));
 $smarty->assign('poll_mail', Utils::fromPostOrDefault('mail', $form->admin_mail));
diff --git a/tpl/part/vote_table_classic.tpl b/tpl/part/vote_table_classic.tpl
index 2992737..65ca8c4 100644
--- a/tpl/part/vote_table_classic.tpl
+++ b/tpl/part/vote_table_classic.tpl
@@ -205,7 +205,7 @@
                                     </label>
                                 </li>
                                 <li class="hide">
-                                  <input type="radio" id="n-choice-{$id}" name="choices[{$id}]" value=" " 
+                                  <input type="radio" id="n-choice-{$id}" name="choices[{$id}]" value=" "
                                 		{(isset($selectedNewVotes[$id]) && ("" !== $selectedNewVotes[$id])) ? "" : " checked"}
                                 	/>
                                 </li>