diff --git a/lib/ansible/modules/cloud/openstack/os_auth.py b/lib/ansible/modules/cloud/openstack/os_auth.py
index 9e433aba3b..e5dd7542d8 100644
--- a/lib/ansible/modules/cloud/openstack/os_auth.py
+++ b/lib/ansible/modules/cloud/openstack/os_auth.py
@@ -72,8 +72,8 @@ def main():
             ansible_facts=dict(
                 auth_token=cloud.auth_token,
                 service_catalog=cloud.service_catalog))
-    except shade.OpenStackCloudException as e:
-        module.fail_json(msg=str(e))
+    except Exception as e:
+        module.fail_json(msg=str(e), exception=traceback.format_exc())
 
 # this is magic, see lib/ansible/module_common.py
 from ansible.module_utils.basic import *