diff --git a/hostapd/hostapd.conf b/hostapd/hostapd.conf
index c244624..a310c05 100644
--- a/hostapd/hostapd.conf
+++ b/hostapd/hostapd.conf
@@ -1088,6 +1088,9 @@
 #
 # DAS require Event-Timestamp
 #radius_das_require_event_timestamp=1
+#
+# DAS require Message-Authenticator
+#radius_das_require_message_authenticator=1
 
 ##### RADIUS authentication server configuration ##############################