diff --git a/lib/private/app.php b/lib/private/app.php
index 6c6f79dfa9dfad08556633663520788bd7c21d4c..74b21b2b107c359b2e84750461f55a34310eb35b 100644
--- a/lib/private/app.php
+++ b/lib/private/app.php
@@ -421,6 +421,7 @@ class OC_App {
 	 */
 	public static function getSettingsNavigation() {
 		$l = \OC::$server->getL10N('lib');
+		$defaults = new OC_Defaults();
 
 		$settings = array();
 		// by default, settings only contain the help menu
@@ -431,7 +432,7 @@ class OC_App {
 				array(
 					"id" => "help",
 					"order" => 1000,
-					"href" => OC_Helper::linkToRoute("settings_help"),
+					"href" => $defaults->getKnowledgeBaseUrl(),
 					"name" => $l->t("Help"),
 					"icon" => OC_Helper::imagePath("settings", "help.svg")
 				)
diff --git a/lib/private/defaults.php b/lib/private/defaults.php
index 16f45943f54cba1f7ff55e2acb006422cb5c1f67..b86805357bd7a3e9cc77d0ee7940ac42e762ccdf 100644
--- a/lib/private/defaults.php
+++ b/lib/private/defaults.php
@@ -46,9 +46,11 @@ class OC_Defaults {
 	private $defaultSlogan;
 	private $defaultLogoClaim;
 	private $defaultMailHeaderColor;
+	private $defaultKnowledgeBaseUrl;
 
 	function __construct() {
 		$this->l = \OC::$server->getL10N('lib');
+		$urlGenerator = \OC::$server->getURLGenerator();
 		$version = OC_Util::getVersion();
 
 		$this->defaultEntity = 'ownCloud'; /* e.g. company name, used for footers and copyright notices */
@@ -64,6 +66,7 @@ class OC_Defaults {
 		$this->defaultSlogan = $this->l->t('web services under your control');
 		$this->defaultLogoClaim = '';
 		$this->defaultMailHeaderColor = '#1d2d44'; /* header color of mail notifications */
+		$this->defaultKnowledgeBaseUrl = $urlGenerator->linkToRoute('settings_help');
 
 		$themePath = OC::$SERVERROOT . '/themes/' . OC_Util::getTheme() . '/defaults.php';
 		if (file_exists($themePath)) {
@@ -79,6 +82,7 @@ class OC_Defaults {
 
 	/**
 	 * @param string $method
+	 * @return bool
 	 */
 	private function themeExist($method) {
 		if (isset($this->theme) && method_exists($this->theme, $method)) {
@@ -280,4 +284,19 @@ class OC_Defaults {
 		}
 	}
 
+	/**
+	 * get knowledge base URL, will be used for the "Help"-Link in the top
+	 * right menu
+	 *
+	 * @return string
+	 */
+	public function getKnowledgeBaseUrl() {
+		if ($this->themeExist('getKnowledgeBaseUrl')) {
+			return $this->theme->getKnowledgeBaseUrl();
+		} else {
+			return $this->defaultKnowledgeBaseUrl;
+		}
+
+	}
+
 }
diff --git a/themes/example/defaults.php b/themes/example/defaults.php
index 0dd0d46bd9c8cbfc6ea8d6135e499c9ebce58083..21d80416e12e9700ad86401178362a722ae9531a 100644
--- a/themes/example/defaults.php
+++ b/themes/example/defaults.php
@@ -28,6 +28,7 @@ class OC_Theme {
 	private $themeSyncClientUrl;
 	private $themeSlogan;
 	private $themeMailHeaderColor;
+	private $themeKnowledgeBaseUrl;
 
 	/* put your custom text in these variables */
 	function __construct() {
@@ -39,6 +40,7 @@ class OC_Theme {
 		$this->themeSyncClientUrl = 'https://owncloud.org/install';
 		$this->themeSlogan = 'Your custom cloud, personalized for you!';
 		$this->themeMailHeaderColor = '#745bca';
+		$this->themeKnowledgeBaseUrl = 'https://doc.owncloud.org';
 	}
 	/* nothing after this needs to be adjusted */
 
@@ -92,4 +94,8 @@ class OC_Theme {
 		return $this->themeMailHeaderColor;
 	}
 
+	public function getKnowledgeBaseUrl() {
+		return $this->themeKnowledgeBaseUrl;
+	}
+
 }