diff --git a/ansible/roles/proxy/defaults/main.yml b/ansible/roles/proxy/defaults/main.yml
index 569b5a004..fd2b079ec 100644
--- a/ansible/roles/proxy/defaults/main.yml
+++ b/ansible/roles/proxy/defaults/main.yml
@@ -2,6 +2,6 @@
 proxy_https_proxy: "{{ proxy_http_proxy }}"
 proxy_no_proxy_defaults: "{{ ['localhost', '127.0.0.1'] + groups['all'] + hostvars.values() | map(attribute='ansible_host') }}"
 proxy_no_proxy_extras: []
-proxy_no_proxy: "{{ (proxy_no_proxy_defaults + proxy_no_proxy_extras) | sort | join(',') }}"
+proxy_no_proxy: "{{ (proxy_no_proxy_defaults + proxy_no_proxy_extras) | unique | sort | join(',') }}"
 proxy_dnf: true
 proxy_systemd: true