diff --git a/appinfo/info.xml b/appinfo/info.xml
index 2c30aca..2b557d1 100644
--- a/appinfo/info.xml
+++ b/appinfo/info.xml
@@ -14,6 +14,6 @@
        </types>
        <category>auth</category>
        <dependencies>
-           <nextcloud min-version="11" max-version="11"/>
+           <nextcloud min-version="12" max-version="12"/>
        </dependencies>
 </info>
diff --git a/lib/helper.php b/lib/helper.php
index e6d6d23..47cdf44 100644
--- a/lib/helper.php
+++ b/lib/helper.php
@@ -225,7 +225,7 @@ class Helper {
     public function connectToDb($settings)
     {
         $this -> settings = $settings;
-        $cm = new \OC\DB\ConnectionFactory(\OC::$server->getConfig());
+        $cm = new \OC\DB\ConnectionFactory(\OC::$server->getSystemConfig());
         $parameters = array('host' => $this -> settings['sql_hostname'],
                 'password' => $this -> settings['sql_password'],
                 'user' => $this -> settings['sql_username'],