diff --git a/roles/docker/tasks/install-docker-io.yml b/roles/docker/tasks/install-docker-io.yml
index f97b558..80ceceb 100644
--- a/roles/docker/tasks/install-docker-io.yml
+++ b/roles/docker/tasks/install-docker-io.yml
@@ -17,4 +17,5 @@
   become: yes
   user:
     name: "{{ ansible_user_id }}"
+    append: yes
     groups: docker