diff --git a/app/Services/Payments/Providers/OxapayProvider.php b/app/Services/Payments/Providers/OxapayProvider.php
index 8d6a9fd..83d08ad 100644
--- a/app/Services/Payments/Providers/OxapayProvider.php
+++ b/app/Services/Payments/Providers/OxapayProvider.php
@@ -35,7 +35,7 @@ class OxapayProvider implements PaymentProviderContract
         $config = array_merge($dbConfig, $config);
 
         $this->config = $config;
-        $this->sandbox = (bool) ($config['sandbox'] ?? false);
+        $this->sandbox = $config['sandbox'] === "true" ?? false;
         $this->merchantApiKey = $this->sandbox ? ($config['sandbox_merchant_api_key'] ?? '') : ($config['merchant_api_key'] ?? '');
 
         $this->baseUrl = 'https://api.oxapay.com/v1';