diff --git a/src/ServiceProvider.php b/src/ServiceProvider.php
index 00fd48a..19eee5c 100644
--- a/src/ServiceProvider.php
+++ b/src/ServiceProvider.php
@@ -67,9 +67,9 @@ public function register(): void
     {
         if (! app()->configurationIsCached()) {
             config([
-                'creasi.nusa' => array_merge([
+                'creasi.nusa' => array_merge(config('creasi.nusa', []), [
                     'addressable' => Models\Address::class,
-                ], config('creasi.nusa', [])),
+                ]),
             ]);
 
             $this->mergeConfigFrom(self::LIB_PATH.'/config/creasico.php', 'creasi.base');