diff --git a/README.md b/README.md
index e27bacc9..3d231f8d 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,7 @@ remplacés par une condition :
   * pour tester les versions de Debian,
 
     ```YAML
-    ansible_distribution_release == 'stretch'
+    ansible_lsb.codename == 'stretch'
     ```
 
   * pour tester si c'est un CPU Intel x86_64,
diff --git a/roles/prometheus-node/tasks/main.yml b/roles/prometheus-node/tasks/main.yml
index a41a67f1..a3b10203 100644
--- a/roles/prometheus-node/tasks/main.yml
+++ b/roles/prometheus-node/tasks/main.yml
@@ -16,7 +16,7 @@
 # Doesn't work on Debian Stretch
 - name: Make Prometheus node-exporter listen on adm only
   when:
-    - ansible_distribution_release == 'buster'
+    - ansible_lsb.codename == 'buster'
   lineinfile:
     path: /etc/default/prometheus-node-exporter
     regexp: '^ARGS='
diff --git a/roles/prometheus/tasks/main.yml b/roles/prometheus/tasks/main.yml
index 5fa2e817..1369e934 100644
--- a/roles/prometheus/tasks/main.yml
+++ b/roles/prometheus/tasks/main.yml
@@ -24,9 +24,9 @@
 # Doesn't work on Debian Stretch
 - name: Make Prometheus snmp-exporter listen on adm only
   when:
-    - ansible_distribution_release == 'buster'
+    - ansible_lsb.codename == 'buster'
   lineinfile:
-    path: /etc/default/prometheus-node-exporter
+    path: /etc/default/prometheus-snmp-exporter
     regexp: '^ARGS='
     line: "ARGS=\"--web.listen-address={{ ansible_fqdn }}:9116\""
   notify: Restart prometheus-snmp-exporter