diff --git a/tasks/prelim.yml b/tasks/prelim.yml
index 6ffc298..0db27d3 100644
--- a/tasks/prelim.yml
+++ b/tasks/prelim.yml
@@ -24,7 +24,7 @@
   tags:
       - always
   ansible.builtin.shell: >
-      grep -E -v '^(root|halt|sync|shutdown)' /etc/passwd | awk -F: '(!index($7, "sbin/nologin") && $7 != "/bin/nologin" && $7 != "/bin/false") { print $1 }'
+      grep -E -v '^(root|halt|sync|shutdown)' /etc/passwd | awk -F: '(!index($7, "sbin/nologin") && $7 != "/bin/nologin" && $7 != "/bin/false" && $7 != "/dev/null") { print $1 }'
   changed_when: false
   register: discovered_interactive_usernames