diff --git a/test/functional/api/cas/cli.py b/test/functional/api/cas/cli.py
index 82df0d4..afd0bcd 100644
--- a/test/functional/api/cas/cli.py
+++ b/test/functional/api/cas/cli.py
@@ -295,8 +295,8 @@ def set_param_cleaning_cmd(cache_id: str, policy: str, shortcut: bool = False):
                           additional_params=add_params, shortcut=shortcut)
 
 
-def set_param_cleaning_alru_cmd(cache_id, wake_up, staleness_time,
-                                flush_max_buffers, activity_threshold,
+def set_param_cleaning_alru_cmd(cache_id, wake_up=None, staleness_time=None,
+                                flush_max_buffers=None, activity_threshold=None,
                                 shortcut: bool = False):
     add_param = ""
     if wake_up is not None: