diff --git a/src/IpAddress.php b/src/IpAddress.php
index 00c609b..a124573 100644
--- a/src/IpAddress.php
+++ b/src/IpAddress.php
@@ -159,7 +159,7 @@ protected static function proxyCheckRequest(string $ip, array $config)
             'latitude' => $response['latitude'],
             'longitude' => $response['longitude'],
             'risk' => $response['risk'],
-            'proxy' => $response['proxy'],
+            'proxy' => ($response['proxy'] === 'yes') ? 1 : 0,
             'driver' => 'proxycheck',
         ];
     }