diff --git a/cloud/openstack/os_object.py b/cloud/openstack/os_object.py
index a009d913a8a..22fcebb76ce 100644
--- a/cloud/openstack/os_object.py
+++ b/cloud/openstack/os_object.py
@@ -42,7 +42,7 @@ options:
         - Name to be give to the object. If omitted, operations will be on
           the entire container
      required: false
-   file:
+   filename:
      description:
         - Path to local file to be uploaded.
      required: false