diff --git a/nitter.php b/nitter.php
index f5a1eb6..b6630b7 100644
--- a/nitter.php
+++ b/nitter.php
@@ -2,7 +2,7 @@
 /*
  * Name: nitter
  * Description: Replaces links to twitter.com to a nitter server in all displays of postings on a node.
- * Version: 1.0
+ * Version: 1.1
  * Author: Tobias Diekershoff <tobias@social.diekershoff.de>
  *
  * Copyright (c) 2020 Tobias Diekershoff
@@ -23,19 +23,43 @@
  * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  */
 
+use Friendica\App;
 use Friendica\Core\Addon;
+use Friendica\Core\Renderer;
 use Friendica\DI;
 
 function nitter_install() {
     Addon::registerHook ('prepare_body', 'addon/nitter/nitter.php', 'nitter_render');
 }
 
+/* Handle the send data from the admin settings
+ */
+function nitter_addon_admin_post(App $a)
+{
+    $nitterserver = trim($_POST['nitterserver']);
+    DI::config()->set('nitter', 'server', $nitterserver);
+}
+
+/* Hook into the admin settings to let the admin choose a
+ * nitter server to use for the replacement.
+ */
+function nitter_addon_admin(App $a, &$o)
+{
+    $nitterserver = DI::config()->get('nitter', 'server');
+    $t = Renderer::getMarkupTemplate("admin.tpl", "addon/nitter/");
+    $o = Renderer::replaceMacros($t, [
+        '$settingdescription' => DI::l10n()->t('Which nitter server shall be used for the replacements in the post bodies? Use the URL with servername and protocol.  See %s for a list of available public Nitter servers.', "https://github.com/zedeus/nitter/wiki/Instances"),
+        '$nitterserver' => ["nitterserver", DI::l10n()->t('Nitter server'), $nitterserver, 'http://example.com'], 
+        '$submit' => DI::l10n()->t('Save Settings'),
+    ]);
+}
+
 /*
  *  replace "twitter.com" with "nitter.net"
  */
 function nitter_render(&$a, &$o) {
     // this needs to be a system setting
-    $nitter = 'https://nitter.net';
+    $nitter = DI::config()->get('nitter', 'server', 'https://nitter.net');
     if (strstr($o['html'],'https://twitter.com')) {
         $o['html'] = str_replace('https://twitter.com', $nitter, $o['html']);
         $o['html'] .= '<hr><p>'.DI::l10n()->t('Links to Twitter in this posting were replaced by links to the Nitter instance at %s', $nitter).'</p>';
diff --git a/templates/admin.tpl b/templates/admin.tpl
new file mode 100644
index 0000000..b7f0242
--- /dev/null
+++ b/templates/admin.tpl
@@ -0,0 +1,5 @@
+<p>{{$settingdescription}}</p>
+
+{{include file="field_input.tpl" field=$nitterserver}}
+
+<div class="submit"><input type="submit" name="page_site" value="{{$submit}}" /></div>