diff --git a/src/helm/env.d/preprod/values.desk.yaml.gotmpl b/src/helm/env.d/preprod/values.desk.yaml.gotmpl
index 8598af2..d572b85 100644
--- a/src/helm/env.d/preprod/values.desk.yaml.gotmpl
+++ b/src/helm/env.d/preprod/values.desk.yaml.gotmpl
@@ -96,7 +96,7 @@ backend:
         name: redis.redis.libre.sh
         key: url
     WEBMAIL_URL: "https://webmail.test.ox.numerique.gouv.fr"
-    MAIL_PROVISIONING_API_URL: "https://api.dev.ox.numerique.gouv.fr"
+    MAIL_PROVISIONING_API_URL: "https://api.ovhdev.dimail1.numerique.gouv.fr"
     MAIL_PROVISIONING_API_CREDENTIALS:
       secretKeyRef:
         name: backend
diff --git a/src/helm/env.d/staging/values.desk.yaml.gotmpl b/src/helm/env.d/staging/values.desk.yaml.gotmpl
index 42c0bdf..abe2cc6 100644
--- a/src/helm/env.d/staging/values.desk.yaml.gotmpl
+++ b/src/helm/env.d/staging/values.desk.yaml.gotmpl
@@ -112,7 +112,7 @@ backend:
         name: redis.redis.libre.sh
         key: url
     WEBMAIL_URL: "https://webmail.test.ox.numerique.gouv.fr"
-    MAIL_PROVISIONING_API_URL: "https://api.dev.ox.numerique.gouv.fr"
+    MAIL_PROVISIONING_API_URL: "https://api.ovhdev.dimail1.numerique.gouv.fr"
     MAIL_PROVISIONING_API_CREDENTIALS:
       secretKeyRef:
         name: backend