diff --git a/.env.example b/.env.example
index 6b2e6d03cfc28373b9960a2f06d0212430767cac..8b50bd0a4fd7f29e9c51821c5c10843f517ff8f6 100644
--- a/.env.example
+++ b/.env.example
@@ -32,4 +32,6 @@ MAIL_ENCRYPTION=null
 
 PUSHER_APP_ID=
 PUSHER_KEY=
-PUSHER_SECRET=
\ No newline at end of file
+PUSHER_SECRET=
+
+METADATA_URL=‘https://mdx.idem.garr.it/edugain/entities/’
diff --git a/app/Libraries/EarcUtils.php b/app/Libraries/EarcUtils.php
index dcbc1f5b5a6f41a23f5216e18e47abe29541a88a..0e63a2e7020390e9ad05c8a15e16aa9910909c51 100755
--- a/app/Libraries/EarcUtils.php
+++ b/app/Libraries/EarcUtils.php
@@ -78,7 +78,7 @@ class EarcUtils
     public static function getIdpMetadata($entityid)
     {
         $metaloader = new MetaLoader(null);
-        $metaloader->loadSource(array('src' => 'http://md.idem.garr.it/metadata/idem-test-metadata-sha256.xml'));
+        $metaloader->loadSource(array('src' => env('‘METADATA_URL’') . urlencode($entityid)));
         $metaloader->writeMetadataFiles(Configuration::getInstance()->getPathValue('metadatagenerateddir', 'metadata-generated-idp/'));
 
         include Configuration::getInstance()->getPathValue('metadatagenerateddir', 'metadata-generated-idp/').'saml20-idp-remote.php';