diff --git a/roles/unionfs/tasks/main.yml b/roles/unionfs/tasks/main.yml
index 3171d2c947..d40a3c2997 100644
--- a/roles/unionfs/tasks/main.yml
+++ b/roles/unionfs/tasks/main.yml
@@ -38,3 +38,4 @@
 
     - name: Docker Containers Start Tasks
       ansible.builtin.import_tasks: "subtasks/docker/containers_start.yml"
+      when: (containers_list is defined)