diff --git a/src/SwapServiceProvider.php b/src/SwapServiceProvider.php
index 6871340..be7408b 100644
--- a/src/SwapServiceProvider.php
+++ b/src/SwapServiceProvider.php
@@ -200,6 +200,11 @@ public function provides()
      */
     private function getServiceClass($name)
     {
+        // WebserviceX is a special case
+        if ('webservicex' === $name) {
+            $name = 'webservice_x';
+        }
+
         $camelized = ucfirst(implode('', array_map('ucfirst', explode('_', $name))));
 
         return 'Exchanger\\Service\\'.$camelized;