diff --git a/galaxykit/client.py b/galaxykit/client.py
index 884b608..4ee9ff3 100644
--- a/galaxykit/client.py
+++ b/galaxykit/client.py
@@ -304,7 +304,13 @@ def _http(self, method, path, *args, **kwargs):
                 raise GalaxyClientError(resp, resp.status_code)
             return json_data
         else:
-            if resp.status_code >= 400:
+            if resp.status_code == 401 and "gateway_sessionid" in self.headers.get(
+                "Cookie"
+            ):
+                return self._retry_if_expired_gw_token(
+                    method, url, headers, *args, **kwargs
+                )
+            elif resp.status_code >= 400:
                 logging.debug(resp.text)
                 raise GalaxyClientError(resp, resp.status_code)
             return resp