diff --git a/deploy/examples/kubernetes/ConfigMap.yml b/deploy/examples/kubernetes/ConfigMap.yml
index 873a2c90..48646c9f 100644
--- a/deploy/examples/kubernetes/ConfigMap.yml
+++ b/deploy/examples/kubernetes/ConfigMap.yml
@@ -32,7 +32,7 @@ data:
   POSTFIX_RELAYHOST: "[smtp.gmail.com]:587"
   POSTFIX_ALLOWED_SENDER_DOMAINS: "openwisp.org gmail.com"
   POSTFIX_MYNETWORKS: "10.0.0.0/8"
-  DJANGO_FREERADIUS_ALLOWED_HOSTS: "10.0.0.0/8"
+  OPENWISP_RADIUS_FREERADIUS_ALLOWED_HOSTS: "10.0.0.0/8"
   POSTFIX_RELAYHOST_USERNAME: "example@gmail.com"
   POSTFIX_RELAYHOST_PASSWORD: "example"
   DB_NAME: openwisp_db
diff --git a/docs/ENV.md b/docs/ENV.md
index 84b53223..3d0026c6 100644
--- a/docs/ENV.md
+++ b/docs/ENV.md
@@ -101,7 +101,7 @@ Additionally, you can search for the following:
 - **Default:** <your-dashboard-domains>
 - **Example:** .openwisp.org,.example.org,www.example.com
 
-### `DJANGO_FREERADIUS_ALLOWED_HOSTS`
+### `OPENWISP_RADIUS_FREERADIUS_ALLOWED_HOSTS`
 
 - **Explanation:** Default IP address or subnet of your freeradius instance.
 - **Valid Values:** List(IP adress) | Subnet
diff --git a/images/common/openwisp/settings.py b/images/common/openwisp/settings.py
index b61bc3fb..2482761d 100644
--- a/images/common/openwisp/settings.py
+++ b/images/common/openwisp/settings.py
@@ -43,7 +43,7 @@
 ] + os.environ['DJANGO_ALLOWED_HOSTS'].split(',')
 
 OPENWISP_RADIUS_FREERADIUS_ALLOWED_HOSTS = os.environ[
-    'DJANGO_FREERADIUS_ALLOWED_HOSTS'
+    'OPENWISP_RADIUS_FREERADIUS_ALLOWED_HOSTS'
 ].split(',')
 
 AUTH_USER_MODEL = 'openwisp_users.User'
diff --git a/images/openwisp_base/Dockerfile b/images/openwisp_base/Dockerfile
index cf06e680..bdc8ed40 100644
--- a/images/openwisp_base/Dockerfile
+++ b/images/openwisp_base/Dockerfile
@@ -128,7 +128,7 @@ ENV DASHBOARD_APP_SERVICE=dashboard \
     EMAIL_DJANGO_DEFAULT=example@example.org \
     DJANGO_LOG_LEVEL=ERROR \
     DJANGO_LANGUAGE_CODE=en-gb \
-    DJANGO_FREERADIUS_ALLOWED_HOSTS=172.18.0.0/16 \
+    OPENWISP_RADIUS_FREERADIUS_ALLOWED_HOSTS=172.18.0.0/16 \
     DJANGO_X509_DEFAULT_CERT_VALIDITY=1825 \
     DJANGO_X509_DEFAULT_CA_VALIDITY=3650 \
     DJANGO_SECRET_KEY=DEFAULT_BAD_KEY \