diff --git a/tasks/docker-users.yml b/tasks/docker-users.yml
index b3b6e0f..5aeba47 100644
--- a/tasks/docker-users.yml
+++ b/tasks/docker-users.yml
@@ -5,3 +5,4 @@
     groups: docker
     append: true
   with_items: "{{ docker_users }}"
+  when: item != ''