diff --git a/tcp_tests/tests/system/conftest.py b/tcp_tests/tests/system/conftest.py
index e767663..a4a72a2 100644
--- a/tcp_tests/tests/system/conftest.py
+++ b/tcp_tests/tests/system/conftest.py
@@ -59,6 +59,7 @@
     # stacklight_fixtures
     'sl_actions',
     'sl_deployed',
+    'sl_os_deployed',
     'ceph_deployed',
     'ceph_action',
     # k8s fixtures