diff --git a/public/install.php b/public/install.php
index 15f15216..f1e61a23 100644
--- a/public/install.php
+++ b/public/install.php
@@ -81,6 +81,11 @@ if ($installOK && strtoupper($_SERVER['REQUEST_METHOD']) == 'POST') {
          */
         require_once(PHPCI_DIR . 'vendor/autoload.php');
 
+        /**
+         *  Temporary save phpci URL for redirect after install ($config is replaced in bootstrap.php)
+         */
+        $phpciUrl = $config['phpci']['url'];
+
         /**
          * Write config file:
          */
@@ -139,7 +144,7 @@ if ($installOK && strtoupper($_SERVER['REQUEST_METHOD']) == 'POST') {
             $store->save($user);
         }
 
-        $formAction = rtrim( $config['phpci']['url'], '/' ) . '/session/login';
+        $formAction = rtrim( $phpciUrl, '/' ) . '/session/login';
     }
 }