diff --git a/includes/pages/admin_user.php b/includes/pages/admin_user.php
index 09398f6f..b2275b52 100644
--- a/includes/pages/admin_user.php
+++ b/includes/pages/admin_user.php
@@ -33,6 +33,7 @@ function admin_user() {
       $html .= "  <tr><td>Handy</td><td>" . "<input type=\"text\" size=\"40\" name=\"eHandy\" value=\"" . $user_source['Handy'] . "\"></td></tr>\n";
       $html .= "  <tr><td>DECT</td><td>" . "<input type=\"text\" size=\"4\" name=\"eDECT\" value=\"" . $user_source['DECT'] . "\"></td></tr>\n";
       $html .= "  <tr><td>email</td><td>" . "<input type=\"text\" size=\"40\" name=\"eemail\" value=\"" . $user_source['email'] . "\"></td></tr>\n";
+      $html .= "<tr><td>".form_checkbox('email_shiftinfo', _("Please send me an email if my shifts change"), $user_source['email_shiftinfo']) . "</td></tr>\n";
       $html .= "  <tr><td>jabber</td><td>" . "<input type=\"text\" size=\"40\" name=\"ejabber\" value=\"" . $user_source['jabber'] . "\"></td></tr>\n";
       $html .= "  <tr><td>Size</td><td>" . html_select_key('size', 'eSize', $tshirt_sizes, $user_source['Size']) . "</td></tr>\n";
       
@@ -235,6 +236,7 @@ function admin_user() {
               `Alter` = '" . sql_escape($_POST["eAlter"]) . "', 
               `DECT` = '" . sql_escape($_POST["eDECT"]) . "', 
               `email` = '" . sql_escape($_POST["eemail"]) . "', 
+              `email_shiftinfo` = " . sql_escape(isset($_REQUEST['email_shiftinfo']) ? 'TRUE' : 'FALSE') . ", 
               `jabber` = '" . sql_escape($_POST["ejabber"]) . "', 
               `Size` = '" . sql_escape($_POST["eSize"]) . "', 
               `Gekommen`= '" . sql_escape($_POST["eGekommen"]) . "', 
diff --git a/includes/pages/guest_login.php b/includes/pages/guest_login.php
index b23f82e6..3d8b5381 100644
--- a/includes/pages/guest_login.php
+++ b/includes/pages/guest_login.php
@@ -25,6 +25,7 @@ function guest_register() {
   $dect = "";
   $mobile = "";
   $mail = "";
+  $email_shiftinfo = false;
   $jabber = "";
   $hometown = "";
   $comment = "";
@@ -65,6 +66,9 @@ function guest_register() {
       $msg .= error(_("Please enter your e-mail."), true);
     }
     
+    if (isset($_REQUEST['email_shiftinfo']))
+      $email_shiftinfo = true;
+    
     if (isset($_REQUEST['jabber']) && strlen(strip_request_item('jabber')) > 0) {
       $jabber = strip_request_item('jabber');
       if (! check_email($jabber)) {
@@ -116,7 +120,25 @@ function guest_register() {
       $comment = strip_request_item_nl('comment');
     
     if ($ok) {
-      sql_query("INSERT INTO `User` SET `color`=" . sql_escape($default_theme) . ", `Nick`='" . sql_escape($nick) . "', `Vorname`='" . sql_escape($prename) . "', `Name`='" . sql_escape($lastname) . "', `Alter`='" . sql_escape($age) . "', `Telefon`='" . sql_escape($tel) . "', `DECT`='" . sql_escape($dect) . "', `Handy`='" . sql_escape($mobile) . "', `email`='" . sql_escape($mail) . "', `jabber`='" . sql_escape($jabber) . "', `Size`='" . sql_escape($tshirt_size) . "', `Passwort`='" . sql_escape($password_hash) . "', `kommentar`='" . sql_escape($comment) . "', `Hometown`='" . sql_escape($hometown) . "', `CreateDate`=NOW(), `Sprache`='" . sql_escape($_SESSION["locale"]) . "'");
+      sql_query("
+          INSERT INTO `User` SET 
+          `color`=" . sql_escape($default_theme) . ", 
+          `Nick`='" . sql_escape($nick) . "', 
+          `Vorname`='" . sql_escape($prename) . "', 
+          `Name`='" . sql_escape($lastname) . "', 
+          `Alter`='" . sql_escape($age) . "', 
+          `Telefon`='" . sql_escape($tel) . "', 
+          `DECT`='" . sql_escape($dect) . "', 
+          `Handy`='" . sql_escape($mobile) . "', 
+          `email`='" . sql_escape($mail) . "', 
+          `email_shiftinfo`=" . sql_escape($email_shiftinfo ? 'TRUE' : 'FALSE') . ", 
+          `jabber`='" . sql_escape($jabber) . "',
+          `Size`='" . sql_escape($tshirt_size) . "', 
+          `Passwort`='" . sql_escape($password_hash) . "', 
+          `kommentar`='" . sql_escape($comment) . "', 
+          `Hometown`='" . sql_escape($hometown) . "', 
+          `CreateDate`=NOW(), 
+          `Sprache`='" . sql_escape($_SESSION["locale"]) . "'");
       
       // Assign user-group and set password
       $user_id = sql_id();
@@ -144,19 +166,20 @@ function guest_register() {
           div('row', array(
               div('col-md-6', array(
                   div('row', array(
-                      div('col-md-4', array(
+                      div('col-sm-4', array(
                           form_text('nick', _("Nick") . ' ' . entry_required(), $nick) 
                       )),
-                      div('col-md-8', array(
-                          form_text('mail', _("E-Mail") . ' ' . entry_required(), $mail) 
+                      div('col-sm-8', array(
+                          form_text('mail', _("E-Mail") . ' ' . entry_required(), $mail),
+                          form_checkbox('email_shiftinfo', _("Please send me an email if my shifts change"), $email_shiftinfo) 
                       )) 
                   )),
                   $enable_tshirt_size ? form_select('tshirt_size', _("Shirt size") . ' ' . entry_required(), $tshirt_sizes, $tshirt_size) : '',
                   div('row', array(
-                      div('col-md-6', array(
+                      div('col-sm-6', array(
                           form_password('password', _("Password") . ' ' . entry_required()) 
                       )),
-                      div('col-md-6', array(
+                      div('col-sm-6', array(
                           form_password('password2', _("Confirm password") . ' ' . entry_required()) 
                       )) 
                   )),
@@ -165,30 +188,30 @@ function guest_register() {
               )),
               div('col-md-6', array(
                   div('row', array(
-                      div('col-md-4', array(
+                      div('col-sm-4', array(
                           form_text('dect', _("DECT"), $dect) 
                       )),
-                      div('col-md-4', array(
+                      div('col-sm-4', array(
                           form_text('mobile', _("Mobile"), $mobile) 
                       )),
-                      div('col-md-4', array(
+                      div('col-sm-4', array(
                           form_text('tel', _("Phone"), $tel) 
                       )) 
                   )),
                   form_text('jabber', _("Jabber"), $jabber),
                   div('row', array(
-                      div('col-md-6', array(
+                      div('col-sm-6', array(
                           form_text('prename', _("First name"), $prename) 
                       )),
-                      div('col-md-6', array(
+                      div('col-sm-6', array(
                           form_text('lastname', _("Last name"), $lastname) 
                       )) 
                   )),
                   div('row', array(
-                      div('col-md-3', array(
+                      div('col-sm-3', array(
                           form_text('age', _("Age"), $age) 
                       )),
-                      div('col-md-9', array(
+                      div('col-sm-9', array(
                           form_text('hometown', _("Hometown"), $hometown) 
                       )) 
                   )),
diff --git a/includes/pages/user_settings.php b/includes/pages/user_settings.php
index d39793ee..af352a93 100644
--- a/includes/pages/user_settings.php
+++ b/includes/pages/user_settings.php
@@ -1,4 +1,5 @@
 <?php
+
 function settings_title() {
   return _("Settings");
 }
@@ -16,6 +17,7 @@ function user_settings() {
   $dect = $user['DECT'];
   $mobile = $user['Handy'];
   $mail = $user['email'];
+  $email_shiftinfo = $user['email_shiftinfo'];
   $jabber = $user['jabber'];
   $hometown = $user['Hometown'];
   $tshirt_size = $user['Size'];
@@ -58,6 +60,8 @@ function user_settings() {
       $msg .= error(_("Please enter your e-mail."), true);
     }
     
+    $email_shiftinfo = isset($_REQUEST['email_shiftinfo']);
+    
     if (isset($_REQUEST['jabber']) && strlen(strip_request_item('jabber')) > 0) {
       $jabber = strip_request_item('jabber');
       if (! check_email($jabber)) {
@@ -94,7 +98,21 @@ function user_settings() {
       $hometown = strip_request_item('hometown');
     
     if ($ok) {
-      sql_query("UPDATE `User` SET `Nick`='" . sql_escape($nick) . "', `Vorname`='" . sql_escape($prename) . "', `Name`='" . sql_escape($lastname) . "', `Alter`='" . sql_escape($age) . "', `Telefon`='" . sql_escape($tel) . "', `DECT`='" . sql_escape($dect) . "', `Handy`='" . sql_escape($mobile) . "', `email`='" . sql_escape($mail) . "', `jabber`='" . sql_escape($jabber) . "', `Size`='" . sql_escape($tshirt_size) . "', `Hometown`='" . sql_escape($hometown) . "' WHERE `UID`=" . sql_escape($user['UID']));
+      sql_query("
+          UPDATE `User` SET 
+          `Nick`='" . sql_escape($nick) . "', 
+          `Vorname`='" . sql_escape($prename) . "', 
+          `Name`='" . sql_escape($lastname) . "', 
+          `Alter`='" . sql_escape($age) . "', 
+          `Telefon`='" . sql_escape($tel) . "', 
+          `DECT`='" . sql_escape($dect) . "', 
+          `Handy`='" . sql_escape($mobile) . "', 
+          `email`='" . sql_escape($mail) . "', 
+          `email_shiftinfo`=" . sql_escape($email_shiftinfo ? 'TRUE' : 'FALSE') . ",
+          `jabber`='" . sql_escape($jabber) . "', 
+          `Size`='" . sql_escape($tshirt_size) . "', 
+          `Hometown`='" . sql_escape($hometown) . "' 
+          WHERE `UID`=" . sql_escape($user['UID']));
       
       // Assign angel-types
       $user_angel_type_info = array();
@@ -175,6 +193,7 @@ function user_settings() {
                   form_text('dect', _("DECT"), $dect),
                   form_text('mobile', _("Mobile"), $mobile),
                   form_text('mail', _("E-Mail") . "*", $mail),
+                  form_checkbox('email_shiftinfo', _("Please send me an email if my shifts change"), $email_shiftinfo),
                   form_text('jabber', _("Jabber"), $jabber),
                   form_text('hometown', _("Hometown"), $hometown),
                   $enable_tshirt_size ? form_select('tshirt_size', _("Shirt size"), $tshirt_sizes, $tshirt_size) : '',