diff --git a/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/salt-context-environment.yaml b/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/salt-context-environment.yaml
index a17173d..5b1e465 100644
--- a/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/salt-context-environment.yaml
+++ b/tcp_tests/templates/cookied-mcp-ocata-dop-sl2/salt-context-environment.yaml
@@ -176,6 +176,8 @@
       roles:
       - openstack_gateway
       - linux_system_codename_xenial
+      classes:
+      - system.linux.system.repo.mcp.apt_mirantis.docker
       interfaces:
         ens3:
           role: single_dhcp