diff --git a/openbsc/tests/sms/sms_test.c b/openbsc/tests/sms/sms_test.c
index dfc43cf..5c3c7c7 100644
--- a/openbsc/tests/sms/sms_test.c
+++ b/openbsc/tests/sms/sms_test.c
@@ -92,7 +92,7 @@
 
 	for(i=0;i<SMS_NUM;i++) {
 		/* Setup SMS msgb */
-		msg = msgb_alloc(sms_data[i].len);
+		msg = msgb_alloc(sms_data[i].len, "SMS");
 		sms = msgb_put(msg, sms_data[i].len);
 
 		memcpy(sms, sms_data[i].data, sms_data[i].len);