diff --git a/util/sso/__init__.py b/util/sso/__init__.py
index cd743c7..853d9c8 100644
--- a/util/sso/__init__.py
+++ b/util/sso/__init__.py
@@ -1,5 +1,5 @@
 from conf import CONFIG
-from util.sso.c3hub import get_c3hub_userid, get_c3hub_username
+from util.sso.c3hub import check_c3hub_no_limit, get_c3hub_userid, get_c3hub_username
 from util.sso.c3voc import (
     check_c3voc_allowed_login,
     check_c3voc_is_admin,
@@ -26,7 +26,7 @@
         "functions": {
             "is_admin": lambda json: False,
             "login_allowed": lambda json: True,
-            "no_limit": lambda json: False,
+            "no_limit": check_c3hub_no_limit,
             "userid": get_c3hub_userid,
             "username": get_c3hub_username,
         },
diff --git a/util/sso/c3hub.py b/util/sso/c3hub.py
index 5000f55..055a803 100644
--- a/util/sso/c3hub.py
+++ b/util/sso/c3hub.py
@@ -4,3 +4,7 @@ def get_c3hub_userid(userinfo_json):
 
 def get_c3hub_username(userinfo_json):
     return "{} (38C3)".format(userinfo_json["username"])
+
+
+def check_c3hub_no_limit(userinfo_json):
+    return f"c3hub:{userinfo_json['username'].lower()}" in CONFIG["NO_LIMIT_USERS"]