diff --git a/php/src/Controller/DockerController.php b/php/src/Controller/DockerController.php
index c420bba3..2bff0295 100644
--- a/php/src/Controller/DockerController.php
+++ b/php/src/Controller/DockerController.php
@@ -186,7 +186,7 @@ readonly class DockerController {
         $this->configurationManager->startTransaction();
         $this->configurationManager->install_latest_major = $install_latest_major;
         // set AIO_URL
-        $this->configurationManager->AIO_URL = $host . ':' . (string)$port . $path;
+        $this->configurationManager->aioUrl = $host . ':' . (string)$port . $path;
         // set wasStartButtonClicked
         $this->configurationManager->wasStartButtonClicked = true;
         $this->configurationManager->commitTransaction();
diff --git a/php/src/Data/ConfigurationManager.php b/php/src/Data/ConfigurationManager.php
index f5b106d0..dd7bce63 100644
--- a/php/src/Data/ConfigurationManager.php
+++ b/php/src/Data/ConfigurationManager.php
@@ -57,7 +57,7 @@ class ConfigurationManager
         set { $this->set('instance_restore_attempt', $value); }
     }
 
-    public string $AIO_URL {
+    public string $aioUrl {
         get => $this->get('AIO_URL', '');
         set { $this->set('AIO_URL', $value); }
     }
@@ -1045,7 +1045,7 @@ class ConfigurationManager
             'AIO_TOKEN' => $this->aioToken,
             'BORGBACKUP_REMOTE_REPO' => $this->borg_remote_repo,
             'BORGBACKUP_MODE' => $this->backupMode,
-            'AIO_URL' => $this->AIO_URL,
+            'AIO_URL' => $this->aioUrl,
             'SELECTED_RESTORE_TIME' => $this->selectedRestoreTime,
             'RESTORE_EXCLUDE_PREVIEWS' => $this->restoreExcludePreviews ? '1' : '',
             'APACHE_PORT' => $this->apache_port,