diff --git a/Exchange.php b/Exchange.php
index e0bd815..533dc03 100644
--- a/Exchange.php
+++ b/Exchange.php
@@ -105,12 +105,12 @@ public function convert(array $args)
      * @return array
      * @throws GuzzleException
      */
-    public function currencies()
+    public function currencies(array $args = [])
     {
         return json_decode(
             $this
                 ->client
-                ->request('GET', '/currencies.json')
+                ->request('GET', '/currencies.json', ['query' => array_merge($args, $this->options)])
                 ->getBody()
                 ->getContents(),
             true
@@ -136,4 +136,4 @@ private function fetch($route, array $options, $responseKey = 'rates')
         );
         return $response[$responseKey];
     }
-}
\ No newline at end of file
+}