Index: src/Cfg/Config.php
--- src/Cfg/Config.php.orig
+++ src/Cfg/Config.php
@@ -83,7 +83,7 @@ class Config
 
     public function vpnCaPath(): string
     {
-        return $this->requireString('vpnCaPath', '/usr/bin/vpn-ca');
+        return $this->requireString('vpnCaPath', '/usr/local/bin/vpn-ca');
     }
 
     public function authModule(): string
