diff --git a/data/mntner/ENS160-MNT b/data/mntner/ENS160-MNT
index f31bc6f53..106cfdb43 100644
--- a/data/mntner/ENS160-MNT
+++ b/data/mntner/ENS160-MNT
@@ -2,4 +2,5 @@ mntner:             ENS160-MNT
 admin-c:            ENS160-DN42
 tech-c:             ENS160-DN42
 mnt-by:             ENS160-MNT
-auth:               pgp-fingerprint 4DC2A9E52C6947C049C5B453EDCCD4120A0052D9
\ No newline at end of file
+auth:               pgp-fingerprint 4DC2A9E52C6947C049C5B453EDCCD4120A0052D9
+source:             DN42
\ No newline at end of file