diff --git a/php/src/Data/ConfigurationManager.php b/php/src/Data/ConfigurationManager.php
index 8e316b19..d5a5e4f0 100644
--- a/php/src/Data/ConfigurationManager.php
+++ b/php/src/Data/ConfigurationManager.php
@@ -874,11 +874,9 @@ class ConfigurationManager
         $this->set('collabora_additional_options', '');
     }
 
-    public function GetApacheAdditionalNetwork() : string {
-        $envVariableName = 'APACHE_ADDITIONAL_NETWORK';
-        $configName = 'apache_additional_network';
-        $defaultValue = '';
-        return $this->GetEnvironmentalVariableOrConfig($envVariableName, $configName, $defaultValue);
+    public string $apacheAdditionalNetwork {
+        get => $this->GetEnvironmentalVariableOrConfig('APACHE_ADDITIONAL_NETWORK', 'apache_additional_network', '');
+        set { $this->set('apache_additional_network', $value); }
     }
 
     private function GetDisableBackupSection() : string {
diff --git a/php/src/Docker/DockerActionManager.php b/php/src/Docker/DockerActionManager.php
index 47522e23..fd6334c6 100644
--- a/php/src/Docker/DockerActionManager.php
+++ b/php/src/Docker/DockerActionManager.php
@@ -837,7 +837,7 @@ readonly class DockerActionManager {
         $this->ConnectContainerIdToNetwork($container->identifier, $container->internalPorts, alias: $alias);
 
         if ($container->identifier === 'nextcloud-aio-apache' || $container->identifier === 'nextcloud-aio-domaincheck') {
-            $apacheAdditionalNetwork = $this->configurationManager->GetApacheAdditionalNetwork();
+            $apacheAdditionalNetwork = $this->configurationManager->apacheAdditionalNetwork;
             if ($apacheAdditionalNetwork !== '') {
                 $this->ConnectContainerIdToNetwork($container->identifier, $container->internalPorts, $apacheAdditionalNetwork, false, $alias);
             }