diff --git a/data/route6/fdff:23:42::_48 b/data/route6/fdff:23:42::_48
index 66437f78a..724d3f9a7 100644
--- a/data/route6/fdff:23:42::_48
+++ b/data/route6/fdff:23:42::_48
@@ -1,3 +1,4 @@
 route6:         fdff:23:42::/48
 origin:         AS4242423042
 mnt-by:         SK9-MNT
+source:         DN42