diff --git a/playbooks/roles/mailman-list/tasks/main.yaml b/playbooks/roles/mailman-list/tasks/main.yaml
index e6361fb39e..1662324f67 100644
--- a/playbooks/roles/mailman-list/tasks/main.yaml
+++ b/playbooks/roles/mailman-list/tasks/main.yaml
@@ -14,7 +14,9 @@
         MAILMAN_SITE_DIR: "{{ mm_site_root }}"
       register: listlists
     - name: Create the site list if it doesn't exist
-      command: "newlist {% if mailman_test_mode is defined and mailman_test_mode %} -q {% endif %} {{ mm_list_name }} {{ mm_list_admin }} {{ mm_list_password }}"
+      command:
+        cmd: "newlist {% if mailman_test_mode is defined and mailman_test_mode %} -q {% endif %} {{ mm_list_name }} {{ mm_list_admin }} {{ mm_list_password }}"
+        stdin: ''
       environment:
         MAILMAN_SITE_DIR: "{{ mm_site_root }}"
       when:
@@ -27,7 +29,9 @@
       command: list_lists --bare
       register: listlists
     - name: Create the list if it doesn't exist
-      command: "newlist {% if mailman_test_mode is defined and mailman_test_mode %} -q {% endif %} {{ mm_list_name }} {{ mm_list_admin }} {{ mm_list_password }}"
+      command:
+        cmd: "newlist {% if mailman_test_mode is defined and mailman_test_mode %} -q {% endif %} {{ mm_list_name }} {{ mm_list_admin }} {{ mm_list_password }}"
+        stdin: ''
       when:
         - ( listlists.stdout_lines | intersect([ mm_list_name ]) | length | int ) == 0
   when: mm_site_name == "_default"