diff --git a/tcp_tests/tests/system/test_mcp_update.py b/tcp_tests/tests/system/test_mcp_update.py
index 362486a..23cd61f 100644
--- a/tcp_tests/tests/system/test_mcp_update.py
+++ b/tcp_tests/tests/system/test_mcp_update.py
@@ -115,8 +115,12 @@
 def wa_for_alerta_password_prod35958(reclass_actions,
                                      salt_actions):
     reclass_actions.add_key(
-        "parameters._param.alerta_admin_key",
+        "parameters._param.alerta_admin_api_key_generated",
         "a"*32,
+        "cluster/*/infra/secrets.yml")
+    reclass_actions.add_key(
+        "parameters._param.alerta_admin_key",
+        "${_param:alerta_admin_api_key_generated}",
         "cluster/*/stacklight/init.yml")
     reclass_actions.commit("[from TCP-QA] Add alerta_admin_key")
     salt_actions.run_state(