diff --git a/data/as-set/AS4242423582 b/data/as-set/AS-AS4242423582
similarity index 85%
rename from data/as-set/AS4242423582
rename to data/as-set/AS-AS4242423582
index 793ea57e0..27e11486d 100644
--- a/data/as-set/AS4242423582
+++ b/data/as-set/AS-AS4242423582
@@ -1,4 +1,4 @@
-as-set:             AS4242423582
+as-set:             AS-AS4242423582
 descr:              RINGTAILEDFOX DN42 AS-SET
 members:            AS4242423582
 mnt-by:             RINGTAILEDFOX-MNT