diff --git a/src/frostfs_testlib/steps/cli/object.py b/src/frostfs_testlib/steps/cli/object.py
index d5755226..9a63604a 100644
--- a/src/frostfs_testlib/steps/cli/object.py
+++ b/src/frostfs_testlib/steps/cli/object.py
@@ -183,6 +183,7 @@ def put_object_to_random_node(
     shell: Shell,
     cluster: Cluster,
     bearer: Optional[str] = None,
+    copies_number: Optional[int] = None,
     attributes: Optional[dict] = None,
     xhdr: Optional[dict] = None,
     wallet_config: Optional[str] = None,
@@ -201,6 +202,7 @@ def put_object_to_random_node(
         shell: executor for cli command
         cluster: cluster under test
         bearer: path to Bearer Token file, appends to `--bearer` key
+        copies_number: Number of copies of the object to store within the RPC call
         attributes: User attributes in form of Key1=Value1,Key2=Value2
         cluster: cluster under test
         wallet_config: path to the wallet config
@@ -221,6 +223,7 @@ def put_object_to_random_node(
         shell,
         endpoint,
         bearer,
+        copies_number,
         attributes,
         xhdr,
         wallet_config,