diff --git a/playbooks/stop_containers.yaml b/playbooks/stop_containers.yaml
index 1c04dee..dc84888 100644
--- a/playbooks/stop_containers.yaml
+++ b/playbooks/stop_containers.yaml
@@ -89,6 +89,13 @@
     - webhub-web-1
   when: '"webhub" in selected_containers'
 
+- name: Add elements to a list
+  set_fact:
+    docker_containers: "{{ docker_containers | default([]) + [item] }}"
+  loop:
+    - pihole
+  when: '"pihole" in selected_containers'
+
 - debug:
     msg: "{{ docker_containers }}"
 - name: Stop mailu containers