diff --git a/location_update.lad b/location_update.lad
index 2da0769..3ce5a10 100644
--- a/location_update.lad
+++ b/location_update.lad
@@ -14,7 +14,7 @@ bts	bsc	"RSL CHAN RQD"
 bsc	bts	"RSL CHAN ACT REQ"
 bts	bsc	"RSL CHAN ACT ACK"
 bsc	bts	"RSL IMM ASS CMD"
-bts	ms	"IMMEDIATE ASSIGN"
+bts	ms	"RR IMMEDIATE ASSIGN"
 ms	bsc	"MM LOC UPD REQ"
 bsc	msc	"COMPL L3 INFO (LOC UPD REQ)"
 msc	ms	"MM IDENTITY REQUEST"