diff --git a/package/ntp/ntp.mk b/package/ntp/ntp.mk
index 504ede79ca..a9a7f10032 100644
--- a/package/ntp/ntp.mk
+++ b/package/ntp/ntp.mk
@@ -6,6 +6,8 @@
 
 NTP_VERSION = 4.2.6p5
 NTP_SITE = http://www.eecis.udel.edu/~ntp/ntp_spool/ntp4/ntp-4.2
+NTP_LICENSE = ntp license
+NTP_LICENSE_FILES = COPYRIGHT
 NTP_CONF_ENV = ac_cv_lib_md5_MD5Init=no
 
 ifneq ($(BR2_INET_IPV6),y)