diff --git a/README.md b/README.md
index 0109ddd..a8425ae 100644
--- a/README.md
+++ b/README.md
@@ -3,6 +3,8 @@ We Use BrowserStack for cross browser testing, as it provides full testing capab
 
 [ ![BrowserStack](https://live.browserstack.com/favicon.ico) BrowserStack](https://www.browserstack.com)
 
+# Recomendations
+We strongly recomment to use a ` utf8mb4 ` database collation, as it has the best compatibillity with smileys and other non standard symbols. (You can't tell the enduser, that they can't use smileys. Trust me, I tried.)
 
 # Requirements
 
diff --git a/install/install_action.php b/install/install_action.php
index 7fc2656..8912b2e 100644
--- a/install/install_action.php
+++ b/install/install_action.php
@@ -42,9 +42,9 @@ if (!is_null($connection->connect_error))
 
 $CONFIG["installed"] = true;
 $CONFIG["host"] = $_POST['dbhost'];
+$CONFIG["database"] = $_POST['database'];
 $CONFIG["username"] = $_POST['username'];
 $CONFIG["passwd"] = $_POST['passwd'];
-$CONFIG["database"] = $_POST['database'];
 
 file_put_contents($_SESSION["docroot"].'/config/config.php', '<?php '."\r\n".'$CONFIG = '.var_export($CONFIG, true).";\n\r?>");
 
@@ -54,14 +54,14 @@ CREATE TABLE `Einheit` (
  `ID` int(11) NOT NULL,
  `Name` varchar(255) NOT NULL,
  `Standard` tinyint(1) NOT NULL
-);");
+) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;");
 
 array_push($SQLStatements, "
 CREATE TABLE `Einheit` (
   `ID` int(11) NOT NULL,
   `Name` varchar(255) NOT NULL,
   `Standard` tinyint(1) NOT NULL
-);");
+) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;");
 
 array_push($SQLStatements, "
 CREATE TABLE `Einkauf` (
@@ -70,7 +70,7 @@ CREATE TABLE `Einkauf` (
   `Einheit` int(11) NOT NULL DEFAULT '5',
   `Name` varchar(255) NOT NULL,
   `Erledigt` tinyint(1) NOT NULL DEFAULT '0'
-);");
+) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;");
 
 array_push($SQLStatements, "
 CREATE TABLE `users` (
@@ -81,14 +81,14 @@ CREATE TABLE `users` (
   `password` char(128) NOT NULL,
   `salt` char(64) NOT NULL,
   `last_login` datetime NOT NULL DEFAULT CURRENT_TIMESTAMP
-);");
+) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;");
 
 array_push($SQLStatements, "
 CREATE TABLE `sessions` (
   `session_id` varchar(255),
   `user` INT NOT NULL,
   `expires` datetime NOT NULL
-);");
+) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;");
 
 array_push($SQLStatements, "
 CREATE TABLE `Rezept` (
@@ -96,7 +96,7 @@ CREATE TABLE `Rezept` (
   `Name` varchar(255) NOT NULL,
   `Dauer` int(11) NOT NULL,
   `Beschreibung` text NOT NULL
-);");
+) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;");
 
 array_push($SQLStatements, "
 CREATE TABLE `RezeptZutat` (
@@ -105,13 +105,13 @@ CREATE TABLE `RezeptZutat` (
   `Menge` float NOT NULL,
   `Einheit` int(11) NOT NULL,
   `Zutat` int(11) NOT NULL
-);");
+) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;");
 
 array_push($SQLStatements, "
 CREATE TABLE `Zutat` (
   `ID` int(11) NOT NULL,
   `Name` varchar(255) NOT NULL
-);");
+) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;");
 
 array_push($SQLStatements, "
 CREATE VIEW `ViewEinkauf` AS  select `Einkauf`.`ID` AS `ID`,`Einkauf`.`Anzahl` AS `Anzahl`,`Einheit`.`Name` AS `Einheit`,`Einkauf`.`Name` AS `Name`,`Einkauf`.`Erledigt` AS `Erledigt` from (`Einkauf` join `Einheit` on((`Einkauf`.`Einheit` = `Einheit`.`ID`))) ;");
diff --git a/install/install_adduser.php b/install/install_adduser.php
index a4231d8..4b4b924 100644
--- a/install/install_adduser.php
+++ b/install/install_adduser.php
@@ -32,6 +32,6 @@
   </div>
 
 
-  <script src="bin/bootstrap.bundle.min.js"></script>
+  <script src="js/bootstrap.bundle.min.js"></script>
 </body>
 </html>
diff --git a/js/list.js b/js/list.js
index 89b02e1..814da20 100644
--- a/js/list.js
+++ b/js/list.js
@@ -102,15 +102,14 @@ function changeListItem(){
 
 function checkItem() {
   var dataId = $(this).data("id");
+  var dataIdSelector = (`[data-id='${dataId}']`);
   $.post({
     url: "api/list/check",
     data: {
-      // function: "check",
       id: dataId,
       status: $(this).prop("checked")
     },
     success: function () {
-      var dataIdSelector = (`[data-id='${dataId}']`);
       var color = $(dataIdSelector).data("color");
       $(dataIdSelector).parent().parent().removeClass("bg-danger");
       $(dataIdSelector).parent().parent().find(".dropdown-menu-button").removeClass("btn-danger");
diff --git a/php/connect.php b/php/connect.php
index ebd09da..4260e5d 100644
--- a/php/connect.php
+++ b/php/connect.php
@@ -6,6 +6,7 @@
     $passwd = $CONFIG['passwd'],
     $database = $CONFIG['database']
   );
+  $mysqli->set_charset("utf8");
   if (!is_null($mysqli->connect_error))
   {
       header("Location: /error/DBConnFailed");