diff --git a/src/Http/Driver/CurlDriver.php b/src/Http/Driver/CurlDriver.php
index 0380c07..aea0f3e 100644
--- a/src/Http/Driver/CurlDriver.php
+++ b/src/Http/Driver/CurlDriver.php
@@ -73,7 +73,8 @@ public function execute(RequestInterface $request)
         $error = curl_error(self::$ch);
 
         if (!empty($error)) {
-            throw new \Exception($error);
+            // user can catch the error rather than return error 500 if your bitcoin server went down
+            return new \Exception($error);
         }
 
         $response = new Response();