diff --git a/src/Endpoints/Shipments.php b/src/Endpoints/Shipments.php
index 6beb405..5e424e9 100644
--- a/src/Endpoints/Shipments.php
+++ b/src/Endpoints/Shipments.php
@@ -6,7 +6,7 @@
 
 class Shipments extends BaseEndpoint
 {
-    protected $endpoint = '/shipments';
+    protected $endpoint = '/shipments/';
 
     /**
      * Get a list of shipments or query shipments.