diff --git a/env.d/development/common.dist b/env.d/development/common.dist
index b0a31f4a..5018b1e4 100644
--- a/env.d/development/common.dist
+++ b/env.d/development/common.dist
@@ -41,3 +41,4 @@ OIDC_AUTH_REQUEST_EXTRA_PARAMS={"acr_values": "eidas1"}
 LIVEKIT_API_SECRET=secret
 LIVEKIT_API_KEY=devkey
 LIVEKIT_API_URL=http://localhost:7880
+ALLOW_UNREGISTERED_ROOMS=False
diff --git a/src/helm/env.d/dev/values.meet.yaml.gotmpl b/src/helm/env.d/dev/values.meet.yaml.gotmpl
index 1c4bf58a..099e50a8 100644
--- a/src/helm/env.d/dev/values.meet.yaml.gotmpl
+++ b/src/helm/env.d/dev/values.meet.yaml.gotmpl
@@ -47,6 +47,8 @@ backend:
     {{- end }}
     LIVEKIT_API_URL: https://livekit.127.0.0.1.nip.io/
     ANALYTICS_KEY: xwhoIMCZ8PBRjQ2t
+    ALLOW_UNREGISTERED_ROOMS: False
+
 
   migrate:
     command:
diff --git a/src/helm/env.d/preprod/values.meet.yaml.gotmpl b/src/helm/env.d/preprod/values.meet.yaml.gotmpl
index 1c7dc856..58a31949 100644
--- a/src/helm/env.d/preprod/values.meet.yaml.gotmpl
+++ b/src/helm/env.d/preprod/values.meet.yaml.gotmpl
@@ -93,6 +93,7 @@ backend:
         name: backend
         key: LIVEKIT_API_KEY
     LIVEKIT_API_URL: https://livekit-preprod.beta.numerique.gouv.fr
+    ALLOW_UNREGISTERED_ROOMS: False
 
   createsuperuser:
     command:
diff --git a/src/helm/env.d/production/values.meet.yaml.gotmpl b/src/helm/env.d/production/values.meet.yaml.gotmpl
index 6eeeb1d2..e663a211 100644
--- a/src/helm/env.d/production/values.meet.yaml.gotmpl
+++ b/src/helm/env.d/production/values.meet.yaml.gotmpl
@@ -94,6 +94,7 @@ backend:
         key: LIVEKIT_API_KEY
     LIVEKIT_API_URL: https://livekit-preprod.beta.numerique.gouv.fr
     ANALYTICS_KEY: mwuxTKi8o2xzWH54
+    ALLOW_UNREGISTERED_ROOMS: False
 
   createsuperuser:
     command:
diff --git a/src/helm/env.d/staging/values.meet.yaml.gotmpl b/src/helm/env.d/staging/values.meet.yaml.gotmpl
index 634842a5..7dcaa71c 100644
--- a/src/helm/env.d/staging/values.meet.yaml.gotmpl
+++ b/src/helm/env.d/staging/values.meet.yaml.gotmpl
@@ -94,6 +94,7 @@ backend:
         key: LIVEKIT_API_KEY
     LIVEKIT_API_URL: https://livekit-preprod.beta.numerique.gouv.fr
     ANALYTICS_KEY: Roi1k6IAc2DEqHB0
+    ALLOW_UNREGISTERED_ROOMS: False
 
   createsuperuser:
     command: