diff --git a/data/route/172.20.12.192_27 b/data/route/172.20.12.192_27
index 862b299a7..a431ad6a3 100644
--- a/data/route/172.20.12.192_27
+++ b/data/route/172.20.12.192_27
@@ -1,4 +1,5 @@
 route:              172.20.12.192/27
 origin:             AS4242422225
+max-length:         32
 mnt-by:             MARAUN-MNT
 source:             DN42