diff --git a/frontend/public/index.html b/frontend/public/index.html
index 4c7e79e8e..adf39f6d9 100644
--- a/frontend/public/index.html
+++ b/frontend/public/index.html
@@ -23,7 +23,7 @@
   <meta name="keywords" lang="de" content="aktives Grundeinkommen, Wallet, tauschen, schenken, Geldsystem, alternativ, Vergänglichkeit, Kreislauf des Lebens, Bionik">
   <meta name="keywords" lang="en" content="active basic income, wallet, exchange, gift, monetary system, alternative, decay, cycle of life, bionics">
   <meta name="author" content="Bernd Hückstädt - Gradido-Akademie">
-  <meta name="url" content="http://www.gdd.gradido.net">
+  <meta name="url" content="https://gdd.gradido.net">
   <meta name="identifier-URL" content="http://www.gradido.net">
   <meta charset="utf-8">
   <meta name="robots" content="index,follow">