diff --git a/tcp_tests/managers/sl_manager.py b/tcp_tests/managers/sl_manager.py
index ba45e16..0f81596 100644
--- a/tcp_tests/managers/sl_manager.py
+++ b/tcp_tests/managers/sl_manager.py
@@ -39,7 +39,7 @@
 
     def install(self, commands, label='Install SL services'):
         self.execute_commands(commands, label=label)
-        self.__config.stack_light.sl_installed = True
+        self.__config.stack_light.stacklight_installed = True
         self.__config.stack_light.sl_vip_host = self.get_sl_vip()
 
     def get_sl_vip(self):