diff --git a/src/gsm/gsm0341.c b/src/gsm/gsm0341.c
index c6526c2..cc77382 100644
--- a/src/gsm/gsm0341.c
+++ b/src/gsm/gsm0341.c
@@ -23,6 +23,8 @@
 #include <stdlib.h>
 #include <string.h>
 
+#include <arpa/inet.h>
+
 #include <osmocom/core/talloc.h>
 #include <osmocom/gsm/protocol/gsm_03_41.h>
 
@@ -34,6 +36,8 @@
 {
 	struct gsm341_ms_message *cbmsg;
 
+	msg_id = htons(msg_id);
+
 	if (len > 88)
 		return NULL;