diff --git a/tasks/debian-docker/repository.yml b/tasks/debian-docker/repository.yml
index 08dae05..58a086d 100644
--- a/tasks/debian-docker/repository.yml
+++ b/tasks/debian-docker/repository.yml
@@ -1,13 +1,9 @@
 ---
-- name: retrieve machine DPKG architecture
-  ansible.builtin.command:
-    cmd: dpkg --print-architecture
-  register: dpkg_architecture
-  changed_when: false
 - name: ensure Docker repository is present
   ansible.builtin.copy:
-    content: "deb [arch={{ dpkg_architecture.stdout }} signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable"
+    content: "deb [signed-by=/usr/share/keyrings/docker-archive-keyring.gpg] https://download.docker.com/linux/debian {{ ansible_distribution_release }} stable"
     dest: /etc/apt/sources.list.d/docker.list
     owner: root
     group: root
     mode: 0644
+  when: ansible_facts.os_family == "Debian"