diff --git a/tempest/scenario/manager.py b/tempest/scenario/manager.py
index 80c9235..52e936f 100644
--- a/tempest/scenario/manager.py
+++ b/tempest/scenario/manager.py
@@ -790,9 +790,9 @@
         # port on instance at once, and use it here
         for pm in port_map:
             try:
-                port = waiters.wait_for_interface_status(self.interface_client,
-                                                         server['id'],
-                                                         pm["id"], p_status)
+                port = waiters.wait_for_interface_status(
+                    self.os_admin.interfaces_client,
+                    server['id'], pm["id"], p_status)
                 pm["status"] = port['port_state']
             except lib_exc.TimeoutException:
                 # NOTE(pas-ha) as server might have several IPv4 ports