diff --git a/nginx/cm.yaml b/nginx/cm.yaml
index 3ff6715..d8268f1 100644
--- a/nginx/cm.yaml
+++ b/nginx/cm.yaml
@@ -24,7 +24,7 @@ data:
 
       location /.well-known/matrix/ {
         default_type application/json;
-        add_header Access-Control-Allow-Origin  https://borninpain.de;
+        add_header Access-Control-Allow-Origin "*";
       }
     }