diff --git a/group_vars/all/prometheus_nginx_exporter.yaml b/group_vars/all/prometheus_nginx_exporter.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..8ae3cde3ed1ceb1e2c52e0ab9ceb8972a674d487
--- /dev/null
+++ b/group_vars/all/prometheus_nginx_exporter.yaml
@@ -0,0 +1,3 @@
+---
+glob_prometheus_nginx_exporter:
+  listen_addr: "{{ query('ldap', 'ip', ansible_hostname, 'adm') | ipv4 | first }}"
diff --git a/group_vars/cachan/prometheus_nginx_exporter.yaml b/group_vars/cachan/prometheus_nginx_exporter.yaml
index f5cead32422d905cb3fd48a2fc27cd2371c0a8e3..2634838ba281f894c9c75be2e2bd5541af013d34 100644
--- a/group_vars/cachan/prometheus_nginx_exporter.yaml
+++ b/group_vars/cachan/prometheus_nginx_exporter.yaml
@@ -1,3 +1,3 @@
 ---
-loc_prometheus_nginx_exporter:
+glob_prometheus_nginx_exporter:
   listen_addr: "{{ query('ldap', 'ip', ansible_hostname, 'cachan-adm') | ipv4 | first }}"
diff --git a/group_vars/nginx.yml b/group_vars/nginx.yml
index f247cf673b20b929c20dbde9d5649cc8b309486f..3dc6e157777711238e0cd00bd1cca38c272ff910 100644
--- a/group_vars/nginx.yml
+++ b/group_vars/nginx.yml
@@ -30,6 +30,3 @@ glob_nginx:
     - "172.16.0.0/16"
     - "fd00::/56"
   deploy_robots_file: false
-
-glob_prometheus_nginx_exporter:
-  listen_addr: "{{ query('ldap', 'ip', ansible_hostname, 'adm') | ipv4 | first }}"