diff --git a/traefik/traefik.yml b/traefik/traefik.yml
index 1391007..364717b 100644
--- a/traefik/traefik.yml
+++ b/traefik/traefik.yml
@@ -45,3 +45,10 @@ certificatesResolvers:
       httpChallenge:
         # used during the challenge
         entryPoint: web
+
+http:
+  middlewares:
+    org-redirectregex:
+      redirectRegex:
+        regex: "^https?://(www\.)?mardi4nfdi.org/(.*)"
+        replacement: "https://www.mardi4nfdi.de/${3}"