diff --git a/meta/negundo.php b/meta/negundo.php
index 69438bf..8eed430 100644
--- a/meta/negundo.php
+++ b/meta/negundo.php
@@ -4,6 +4,16 @@ use Negundo\Client\{ SoftwareConfig, Dump, Task, NegundoMiddleware };
 
 use function DI\{ autowire, create, get, add };
 
+if (! function_exists('getenvonce')) {
+    function getenvonce(string $name) : array|string|false
+    {
+        $value = getenv($name);
+        unset($_ENV[$name], $_SERVER[$name]);
+        putenv($name . "=");
+        return $value;
+    }
+}
+
 return [
     SoftwareConfig::class => create(SoftwareConfig::class)->constructor(
         serverUrl: getenvonce('NEGUNDO_SERVER'),