diff --git a/helm/certificates/ops/templates/cluster-issuer-letsencrypt-dns01.yaml b/helm/certificates/ops/templates/cluster-issuer-letsencrypt-dns01.yaml
index 5964fd8..b2f6b15 100644
--- a/helm/certificates/ops/templates/cluster-issuer-letsencrypt-dns01.yaml
+++ b/helm/certificates/ops/templates/cluster-issuer-letsencrypt-dns01.yaml
@@ -31,7 +31,7 @@ spec:
                 name: ovh-credentials
                 key: consumer-key
               # Méthode d'authentification OVH (application ou oauth2)
-              ovhAuthenticationMethod: application
+              authMethod: application
               # Endpoint OVH API (ovh-eu, ovh-ca, kimsufi-eu, etc.)
               ovhEndpointName: ovh-eu
         # Ce solver s'applique uniquement aux domaines internes