diff --git a/src/gsm_04_08.c b/src/gsm_04_08.c
index 52d2b42..447c263 100644
--- a/src/gsm_04_08.c
+++ b/src/gsm_04_08.c
@@ -135,7 +135,7 @@
 
 	gh = (struct gsm48_hdr *) msgb_put(msg, sizeof(*gh) + 1);
 	gh->proto_discr = GSM48_PDISC_MM;
-	gh->msg_type = GSM48_MT_MM_LOC_UPD_ACCEPT;
+	gh->msg_type = GSM48_MT_MM_LOC_UPD_REJECT;
 	gh->data[0] = cause;
 
 	DEBUGP(DMM, "-> LOCATION UPDATE REJECT\n");