diff --git a/tcp_tests/fixtures/stacklight_fixtures.py b/tcp_tests/fixtures/stacklight_fixtures.py
index 2c30530..df0d516 100644
--- a/tcp_tests/fixtures/stacklight_fixtures.py
+++ b/tcp_tests/fixtures/stacklight_fixtures.py
@@ -52,7 +52,7 @@
     :rtype: SLManager
     """
     # Deploy SL services
-    if not config.stack_light.sl_installed:
+    if not config.stack_light.stacklight_installed:
         steps_path = config.sl_deploy.sl_steps_path
         commands = underlay.read_template(steps_path)
         sl_actions.install(commands)