diff --git a/data/mntner/ZENITHAL-MNT b/data/mntner/ZENITHAL-MNT
index f0cb7c992..b50f72738 100644
--- a/data/mntner/ZENITHAL-MNT
+++ b/data/mntner/ZENITHAL-MNT
@@ -3,3 +3,4 @@ admin-c:            ZENITHAL-DN42
 tech-c:             ZENITHAL-DN42
 mnt-by:             ZENITHAL-MNT
 source:             DN42
+auth:               pgp-fingerprint 9424DF6A677958023ACA3A6323470D4FD461AA84