diff --git a/Core/Frameworks/Baikal/Model/Config/Standard.php b/Core/Frameworks/Baikal/Model/Config/Standard.php
index 804a3c2..1ef5a51 100644
--- a/Core/Frameworks/Baikal/Model/Config/Standard.php
+++ b/Core/Frameworks/Baikal/Model/Config/Standard.php
@@ -65,8 +65,9 @@ class Standard extends \Baikal\Model\Config {
         "cal_enabled"        => true,
         "dav_auth_type"      => "Digest",
         "admin_passwordhash" => "",
-        "auth_realm"         => "BaikalDAV"
-];
+        "auth_realm"         => "BaikalDAV",
+        "base_uri"           => ""
+    ];
 
     function __construct() {
         $this->aData["invite_from"] = "noreply@" . $_SERVER['SERVER_NAME']; // Default value
diff --git a/Core/Frameworks/Flake/Framework.php b/Core/Frameworks/Flake/Framework.php
index e395b44..b3fc227 100644
--- a/Core/Frameworks/Flake/Framework.php
+++ b/Core/Frameworks/Flake/Framework.php
@@ -204,24 +204,21 @@ class Framework extends \Flake\Core\Framework {
     }
 
     protected static function defineBaseUri() {
-        $usedBaseUriFromConfig = false;
         try {
             $config = Yaml::parseFile(PROJECT_PATH_CONFIG . "baikal.yaml");
             if (isset($config["system"]["base_uri"]) && $config["system"]["base_uri"] !== "") {
                 // SabreDAV needs a "/" at the beginning of BASEURL
-                define("PROJECT_BASEURI", self::prependSlash($config["system"]["base_uri"]));
+                define("PROJECT_BASEURI",
+                        self::prependSlash(self::appendSlash($config["system"]["base_uri"])));
                 define("PROJECT_URI", \Flake\Util\Tools::getCurrentProtocol() . "://"
                     . $_SERVER["HTTP_HOST"] . PROJECT_BASEURI);
-                $usedBaseUriFromConfig = true;
+
+                return;
             }
         } catch (\Exception $e) {
             error_log($e);
         }
 
-        if ($usedBaseUriFromConfig) {
-            return;
-        }
-
         $sScript = substr($_SERVER["SCRIPT_FILENAME"], strlen($_SERVER["DOCUMENT_ROOT"]));
         $sDirName = str_replace("\\", "/", dirname($sScript));    // fix windows backslashes
 
diff --git a/config/baikal.yaml.dist b/config/baikal.yaml.dist
index cc2c01b..5ccbc2f 100644
--- a/config/baikal.yaml.dist
+++ b/config/baikal.yaml.dist
@@ -7,6 +7,7 @@ system:
     dav_auth_type: 'Digest'
     admin_passwordhash: 5fe794627e1f841f8debba065e2c807a
     auth_realm: BaikalDAV
+    base_uri: ''
 database:
     encryption_key: 5d3f0fa0192e3058ea70f1bb20924add
     sqlite_file: "absolute/path/to/Specific/db/db.sqlite"