diff --git a/UPGRADE.md b/UPGRADE.md
index 47830a1d..375f4678 100644
--- a/UPGRADE.md
+++ b/UPGRADE.md
@@ -2,6 +2,7 @@
 
 ### 4.1.2
 - **[IMPROVEMENT]**: Introduce `OAUTH_RESOURCE_MAPPING_REFRESH` Event
+- **[IMPROVEMENT]**: Configurable Firewall Name via container parameter `members.firewall_name`
 
 ### 4.1.1
 - **[BUGFIX]**: Also respect original asset paths in protected env
diff --git a/docs/SSO/20_Installation.md b/docs/SSO/20_Installation.md
index edd45a46..fdaa9a57 100644
--- a/docs/SSO/20_Installation.md
+++ b/docs/SSO/20_Installation.md
@@ -105,6 +105,14 @@ members:
         activation_type: 'complete_profile' # choose between "complete_profile" and  "instant"
 ```
 
+## Configure Firewall
+If your using a different name for your firewall than `members_fe` you need to configure the container parameter:
+
+```yaml
+parameters:
+    members.firewall_name: your_fw_name
+```
+
 ## Configure Client
 Every provider comes with its own configuration. 
 In this example, we're going to setup the google client:
diff --git a/src/MembersBundle/DependencyInjection/MembersExtension.php b/src/MembersBundle/DependencyInjection/MembersExtension.php
index 43dcff07..e83349ee 100644
--- a/src/MembersBundle/DependencyInjection/MembersExtension.php
+++ b/src/MembersBundle/DependencyInjection/MembersExtension.php
@@ -24,6 +24,10 @@ public function prepend(ContainerBuilder $container): void
         $configs = $container->getExtensionConfig($this->getAlias());
         $config = $this->processConfiguration($this->getConfiguration([], $container), $configs);
 
+        if (!$container->hasParameter('members.firewall_name')) {
+            $container->setParameter('members.firewall_name', 'members_fe');
+        }
+
         $oauthEnabled = false;
         if ($container->hasExtension('security') === true && $config['oauth']['enabled'] === true) {
             $oauthEnabled = true;
@@ -116,6 +120,8 @@ protected function enableOauth(ContainerBuilder $container, array $config): void
 
     protected function extendPimcoreSecurityConfiguration(ContainerBuilder $container, bool $oauthEnabled): void
     {
+        $firewallName = $container->getParameter('members.firewall_name');
+
         if ($this->authenticatorIsEnabled($container) === false) {
 
             $container->loadFromExtension('pimcore', [
@@ -129,7 +135,7 @@ protected function extendPimcoreSecurityConfiguration(ContainerBuilder $containe
             if ($oauthEnabled === true) {
                 $container->loadFromExtension('security', [
                     'firewalls' => [
-                        'members_fe' => [
+                        $firewallName => [
                             'guard' => [
                                 'authenticators' => [
                                     \MembersBundle\Security\OAuthIdentityAuthenticator::class
@@ -154,7 +160,7 @@ protected function extendPimcoreSecurityConfiguration(ContainerBuilder $containe
         if ($oauthEnabled === true) {
             $container->loadFromExtension('security', [
                 'firewalls' => [
-                    'members_fe' => [
+                    $firewallName => [
                         'custom_authenticators' => [
                             OAuthIdentityAuthenticator::class
                         ]
diff --git a/src/MembersBundle/Resources/config/packages/security_auth_manager.yaml b/src/MembersBundle/Resources/config/packages/security_auth_manager.yaml
index 67ae1030..a655e3bb 100644
--- a/src/MembersBundle/Resources/config/packages/security_auth_manager.yaml
+++ b/src/MembersBundle/Resources/config/packages/security_auth_manager.yaml
@@ -1,3 +1,7 @@
+# if you're using a different firewall name, you need to enable this parameter
+# parameters:
+#     members.firewall_name: 'your_fw_name'
+
 security:
 
     enable_authenticator_manager: true
diff --git a/src/MembersBundle/Resources/config/services/event.yml b/src/MembersBundle/Resources/config/services/event.yml
index 0c391013..002a12d1 100644
--- a/src/MembersBundle/Resources/config/services/event.yml
+++ b/src/MembersBundle/Resources/config/services/event.yml
@@ -7,6 +7,8 @@ services:
 
     # event: check auth
     MembersBundle\EventListener\AuthenticationListener:
+        arguments:
+            $firewallName: '%members.firewall_name%'
         tags:
             - { name: kernel.event_subscriber }