diff --git a/src/helm/env.d/production/values.meet.yaml.gotmpl b/src/helm/env.d/production/values.meet.yaml.gotmpl
index e7a0c633..f5b96f39 100644
--- a/src/helm/env.d/production/values.meet.yaml.gotmpl
+++ b/src/helm/env.d/production/values.meet.yaml.gotmpl
@@ -134,15 +134,17 @@ posthog:
   ingress:
     enabled: true
     host: product.visio.numerique.gouv.fr
+    className: nginx
     annotations:
-      kubernetes.io/ingress.class: nginx
+      cert-manager.io/cluster-issuer: letsencrypt
       nginx.ingress.kubernetes.io/upstream-vhost: eu.i.posthog.com
       nginx.ingress.kubernetes.io/backend-protocol: https
 
   ingressAssets:
     enabled: true
     host: product.visio.numerique.gouv.fr
+    className: nginx
     annotations:
-      kubernetes.io/ingress.class: nginx
+      cert-manager.io/cluster-issuer: letsencrypt
       nginx.ingress.kubernetes.io/upstream-vhost: eu-assets.i.posthog.com
       nginx.ingress.kubernetes.io/backend-protocol: https
diff --git a/src/helm/env.d/staging/values.meet.yaml.gotmpl b/src/helm/env.d/staging/values.meet.yaml.gotmpl
index 96e4f80e..fa090c39 100644
--- a/src/helm/env.d/staging/values.meet.yaml.gotmpl
+++ b/src/helm/env.d/staging/values.meet.yaml.gotmpl
@@ -144,15 +144,17 @@ posthog:
   ingress:
     enabled: true
     host: product.visio-staging.beta.numerique.gouv.fr
+    className: nginx
     annotations:
-      kubernetes.io/ingress.class: nginx
+      cert-manager.io/cluster-issuer: letsencrypt-prod
       nginx.ingress.kubernetes.io/upstream-vhost: eu.i.posthog.com
       nginx.ingress.kubernetes.io/backend-protocol: https
 
   ingressAssets:
     enabled: true
     host: product.visio-staging.beta.numerique.gouv.fr
+    className: nginx
     annotations:
-      kubernetes.io/ingress.class: nginx
+      cert-manager.io/cluster-issuer: letsencrypt-prod
       nginx.ingress.kubernetes.io/upstream-vhost: eu-assets.i.posthog.com
       nginx.ingress.kubernetes.io/backend-protocol: https