diff --git a/roles/build-containers/vars/main.yaml b/roles/build-containers/vars/main.yaml
index a97808087..a6f1be1ea 100644
--- a/roles/build-containers/vars/main.yaml
+++ b/roles/build-containers/vars/main.yaml
@@ -42,6 +42,8 @@ exclude_containers:
       - sahara-api
       - sahara-engine
       - sensu-client
+  rhos-18:
+    redhat9: *exclude_cs9_master_containers
   rhos-17.1:
     redhat8: *exclude_master_containers
     redhat9: *exclude_cs9_master_containers