diff --git a/rule_set_snippet/proxy_rule.list b/rule_set_snippet/proxy_rule.list
index ef885f6..a283796 100644
--- a/rule_set_snippet/proxy_rule.list
+++ b/rule_set_snippet/proxy_rule.list
@@ -1,3 +1,4 @@
+DOMAIN-KEYWORD,tu-berlin
 DOMAIN-SUFFIX,quora.com
 DOMAIN-KEYWORD,justmysocks
 DOMAIN-KEYWORD,notion