diff --git a/src/Request/Method/Payment/GetRequests.php b/src/Request/Method/Payment/GetRequests.php
index e6331d0..2f137d5 100644
--- a/src/Request/Method/Payment/GetRequests.php
+++ b/src/Request/Method/Payment/GetRequests.php
@@ -17,7 +17,7 @@ class GetRequests extends AbstractMethod implements MethodInterface
     /**
      * @var string
      */
-    private $method = 'listrequests';
+    private $method = 'list_requests';
 
     /**
      * @param array $optional
@@ -37,4 +37,4 @@ public function execute(array $optional = [])
 
         return $requests;
     }
-}
\ No newline at end of file
+}