diff --git a/ajax/setpreference.php b/ajax/setpreference.php
new file mode 100644
index 00000000..6f485bba
--- /dev/null
+++ b/ajax/setpreference.php
@@ -0,0 +1,55 @@
+<?php
+/**
+ * ownCloud - Contacts
+ *
+ * @copyright 2012 Thomas Tanghus <thomas@tanghus.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
+ * License as published by the Free Software Foundation; either
+ * version 3 of the License, or any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU AFFERO GENERAL PUBLIC LICENSE for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public
+ * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * @brief Set user preference.
+ * @param $key
+ * @param $value
+ */
+
+OCP\JSON::checkLoggedIn();
+OCP\JSON::checkAppEnabled('contacts');
+OCP\JSON::callCheck();
+
+require_once 'loghandler.php';
+
+$key = isset($_POST['key'])?$_POST['key']:null;
+$value = isset($_POST['value'])?$_POST['value']:null;
+if(is_null($key)) {
+	bailOut(OC_Contacts_App::$l10n->t('Key is not set for: '.$value));
+}
+
+if(is_null($value)) {
+	bailOut(OC_Contacts_App::$l10n->t('Value is not set for: '.$key));
+}
+
+if(OCP\Config::setUserValue(OCP\USER::getUser(), 'contacts', $key, $value)) {
+	OCP\JSON::success(array(
+		'data' => array(
+			'key' => $key,
+			'value' => $value)
+		)
+	);
+} else {
+	bailOut(OC_Contacts_App::$l10n->t(
+		'Could not set preference: ' . $key . ':' . $value)
+	);
+}